Module 06 - Common demersal fish species-rev.ppt

common demersal of the fish

1. Module 6. DEMERSAL FISHES, SHARKS and
RAYS
NATIONAL STOCK ASSESSMENT PROGRAM (NSAP) STANDARD
TRAINING FOR ENUMERATORS in REGION 3

2. Outline
Dominant fish families and representative species
Some examples of commonly caught sharks and
rays
Module 6. DemersalFishes

3. Diagnostic
characteristics
High-bodied,
compressed fishes (size
to about 75 cm) with 1 or
more spines or keeled
bony plates on each side
of caudal peduncle
Mouth small, low on
head, terminal
Continuous unnotched
dorsal fin
Module 6. Demersalfishes
Family Acanthuridae

4. Module 6. DemersalFishes
Family Acanthuridae
Reef-associated
Acanthurusdussumieri
Eyestripesurgeonfish
Acanthuruslineatus
Lined surgeonfish
Acanthurusolivaceus
Orangespotsurgeonfish
Acanthurusguttatus
Whitespottedsurgeonfish
Acanthurusnigrofuscus
Brown surgeonfish

5. Module 6. DemersalFishes
Family Acanthuridae
Reef-associated
Acanthurusgahhm
Black surgeonfish
Nasoannulatus
White margin unicornfish
Nasolituratus
Orangespineunicornfish
Nasobrevirostris
Spotted unicornfish
Nasounicornis
Bluespineunicornfish

6. Diagnostic
characteristics
•Diagnostic Medium to
large fishes (to 180 cm);
body elongate, robust
•Head conical to
rounded, depressed.A
bony shield covering
part of dorsal surface of
head
•Mouth surrounded by
2, 4, or 6 barbels
•Dorsal fin situated
before midlengthof
body, consisting of a
long, hard, usually
serrated spine
•Pectoral fins low-set,
with a usually long and
hard serrated spine
Module 6. Demersalfishes
Family Ariidae
11 Species in Philippines

7. Module 6. DemersalFishes
Family Ariidae
Arius maculatus
Spotted catfish
(local name)
Arius thalassinus
Giant catfish
(local name)

8. Diagnostic
characteristics
•Elongate, compressed,
medium to large
•Eyes medium sized,
relatively close to tip of
snout and dorsal
profile.
•Preoperclewith
serrated posterior or
ventral margins and a
stout flat spine at angle
•Dorsal fin deeply
incised before last
dorsal-fin spine, or with
distinct gap between
spiny and soft portions
of fin
Module 6. Demersalfishes
Family Centropomidae
2 Species in Philippines:
Latescalcarifer(Bloch, 1790)
Psammopercavaigiensis(Cuvier, 1828)

9. Module 6. DemersalFishes
Family Centropomidae
Latescalcarifer
Barramundi (Giant seaperch)
(local name)
Psammopercawaigiensis
Waigieuseaperch
(local name)
Single
preopercular
spine
3-4 preopercular
spines

10. Diagnostic
characteristics
Body laterally
compressed, oblong, oval,
or with markedly elevated
back (size to about 35 cm).
Mouth terminal, strongly
protractile, pointing
downward when extended.
Scales large, obvious but
deciduous, cycloid or
finely ctenoid, extending
over sides of head
Dorsal fin long, single;
base of dorsal fin sheathed
in a row of deciduous
scales
Color: predominantly
brilliant silver
Module 6. Demersalfishes
Family Gerreidae
2 Genera: Gerres, Pentaprion

11. Soft-bottom
Module 6. DemersalFishes
Family Gerreidae
Gerreserythrourus(G.
abbreviatus)
Deep-bodied mojarra
(local name)
Gerresfilamentosus
Whipfinsilver-biddy
(local name)
Gerresoyena
Common silver-biddy
(local name)
Pentaprionlongimanus
Longfinmojarra
(local name)

12. Diagnostic
characteristics
Oblong, compressed,
perch-like fishes
Scales present on entire
head except tip of snout,
lips, and chin
Dorsal fin single
Scales ctenoid(rough to
touch), small or
moderate
Module 6. Demersalfishes
Family Haemulidae

13. Module 6. DemersalFishes
Family Haemulidae
Reef-associated
Plectorhinchuslineatus
Yellowbandedsweetlips
Plectorhinchusgoldmanni
Goldman’s sweetlips
Plectorhinchusgibbosus
Harry hotlips
Plectorhinchuschaetodontoides
Harlequin sweetlips
Plectorhinchuspolytaenia
Ribbonedsweetlips

14. Module 6. DemersalFishes
Family Haemulidae
Reef-associated
Plectorhinchuspictus
Painted sweetlips
Plectorhinchusdiagrammus
Striped sweetlips
Plectorhinchuscinctus
Crescent sweetlips
Plectorhinchuscelebicus
Celebes sweetlips
Plectorhinchusgibbosus
Harry hotlips

15. Diagnostic
characteristics
A diverse group of
fishes that vary in body
shape and size
A single, long-based
dorsal fin (except
Xyrichthys); spines rigid
to flexible
Scales cycloid (smooth
to touch) and highly
variable in size among
species;
head never fully scaly
Lateral line below most
of dorsal fin smooth
Colour: most species
with bright and intricate
colourpatterns,
including stripes, bars,
spots, blotches
Module 6. Demersalfishes
Family Labridae

16. Module 6. DemersalFishes
Family Labridae
Reef-associated
Cheilinustrilobatus
Tripletail wrasse
Cheilinusdiagrammus
Cheeklinedwrasse
Anampsescaeruleopunctatus
Bluespottedwrasse
Cheilinusfasciatus
Redbreastedwrasse
Choerodonanchorago
Bluespottedwrasse

17. Module 6. DemersalFishes
Family Labridae
Reef-associated
Xyrichthyspavo
Peacock wrasse
Cheilioinermis
Cigar wrasse
Corisvariegata
Dapple coris
Xyrichthystwistii
Yellowbreastedwrasse
Halichoeresscapularis
Zigzag wrasse
Halichoeresmelanurus
Tail-spotted wrasse

18. Diagnostic
characteristics
small to medium-sized
fishes (rarely exceeding
16 cm)
body oblong or
rounded, moderately to
markedly compressed
laterally
mouth highly
protrusible
single dorsal fin
trunk covered with
small cycloid scales
head without scales in
all but a few species
which have a patch of
small scales below eye.
colour: silvery
Module 6. Demersalfishes
Family Leiognathidae
3 Genera:
Secutor-with their
upwardly projecting
mouths
Gazza-with their
canine teeth
Leiognathus-forward or
downward

19. Soft-bottom
Module 6. DemersalFishes
Family Leiognathidae
Leiognathusequulus
Common ponyfish
(local name)
Leiognathusleuciscus
Whipfinponyfish
(local name)
Leiognathusfasciatus
Striped ponyfish
(local name)
Leiognathussplendens
Splendid pony
(local name)
Leiognathuselongatus
Slender ponyfish
(local name)

20. Soft-bottom
Module 6. DemersalFishes
Family Leiognathidae
Secutorindicus
Pugnoseponyfish
(local name)
Secutorruconius
Deep pugnoseponyfish
(local name)
Gazzaachlamys
Small-toothed ponyfish
(local name)
Gazzaminuta
Toothpony
(local name)

21. Diagnostic
characteristics
Perch-like sparoid
fishes (size to 100 cm).
Dorsal fin continuous
Caudal fin emarginateor
forked
Scales finely ctenoid
and moderate in size;
cheek naked in Lethrinus
and scaly in remaining
genera.
Mouth small to
moderate, terminal; lips
often soft and fleshy;
upper jaw protrusible
Module 6. Demersalfishes
Family Lethrinidae

22. Module 6. DemersalFishes
Family Lethrinidae
Reef-associated
Lethrinuslentjan
Pink ear emperor
Lethrinusnebulosus
Sprangledemperor
Lethrinusminiata
Long-nosed emperor
Lethrinusmicrodon
Smalltoothemperor
Lethrinussemicinctus
Black blotch emperor

23. Module 6. DemersalFishes
Family Lethrinidae
Reef-associated
Lethrinusornatus
Ornate emperor
Lethrinusmahsena
Sky emperor
Lethrinusharak
Thumbprint emperor
Lethrinusvariegata
Variegated emperor
Monotaxisgrandoculis
Humpnosebig-eye bream

24. Module 6. DemersalFishes
Family Lethrinidae
Reef-associated
Gnathodentexaureolineatus
Striped large-eye bream
Gymnocraniusaudleyi
Collared large-eye bream
Monotaxisgrandoculis
Humpnosebigeyebream
Wattsiamossambica
Mozambique large-eye bream

25. Diagnostic
characteristics
Oblong in shape,
moderately
compressed
Two nostrils on each
side of snout
Mouth terminal and
fairly large
Cheek and operculum
scaly
Dorsal fin single
Colour: highly variable
Module 6. Demersalfishes
Family Lutjanidae
13 Genera; 56 Species in Philippines

26. Module 6. DemersalFishes
Family Lutjanidae
Reef-associated
Lutjanusvitta
Brownstripesnapper
(local name)
Lutjanuslutjanus
Bigeyesnapper
(local name)
Lutjanusquinquelineatus
Five-lined snapper
(local name)
Lutjanusmalabaricus
Malabar blood snapper
(local name)
Lutjanustimorensis
Timor snapper
(local name)
Lutjanussebae
Emperor red snapper
(local name)

27. Module 6. DemersalFishes
Family Lutjanidae
Reef-associated
Lutjanusmonostigma
Onespotsnapper
(local name)
Lutjanusdecussatus
Checkered snapper
(local name)
Lutjanusjohnii
John’s snapper
(local name)
Lutjanusrusselli
Russell’s snapper
(local name)
Lutjanusfulvus
Blacktail
(local name)
Lutjanusfulviflamma
Blackspotsnapper
(local name)

28. Module 6. DemersalFishes
Family Lutjanidae
Reef-associated
Aphareusrutilans
Rusty jobfish
(local name)
Aphareusfurca
Smalltoothedjobfish
(local name)
Eteliscoruscans
Flame snapper
(local name)
Eteliscarbunculus
Ruby snapper
(local name)
Aprionvirescens
Green jobfish
(local name)

29. Diagnostic
characteristics
Medium-to large-sized
fishes; elongate with
subcylindricalbody
Head often broad and
flattened dorsally
Eyes often partly
covered by adipose
“eyefold” tissue.
Mouth small or
moderate in size
Two short dorsal fins,
well separated
Anal fin short
Pectoral fins inserted
high on body
Lateral line absent
Module 6. Demersalfishes
Family Mugilidae
Genera in Philippines: Cestraeus, Crenimugil,
Liza , Mugil, Oedalechilus, Valamugil

30. Module 6. DemersalFishes
Family Mugilidae
Mugilcephalus
Flathead mullet
(local name)
Liza macrolepis
Large-scaled mullet
(local name)
Liza vaigiensis
Square-tail mullet
(local name)
Oedalechiluslabiosus
Hornlipmullet
(local name)
Soft-bottom

31. Module 6. DemersalFishes
Family Mugilidae
Valamugilbuchanani
Bluetailmullet
(local name)
Valamugilseheli
Bluespotmullet
(local name)
Soft-bottom

32. Diagnostic
characteristics
Body moderately
elongate and
somewhat
compressed
Two long unbranched
barbelson chin
Two well-separated
dorsal fins
Lateral line complete
Color in life often
whitish to light red;
most species with
distinctive black,
brown, red, or yellow
markings; median fins
often with stripes or
oblique bands
Module 6. Demersalfishes
Family Mullidae
Genera in Philippines: Upeneus, Parupeneus,
Mulloidichthys

33. Module 6. DemersalFishes
Family Mullidae
Upeneusvittatus
Yellowstripedgoatfish
(local name)
Upeneussulphureus
Sulphurgoatfish
(local name)
Upeneusmoluccensis
Goldbandgoatfish
(local name)
Upeneusbensasi
Bensasigoatfish
(local name)
Upeneustragula
Freckled goatfish
(local name)
Soft-bottom

34. Module 6. DemersalFishes
Family Mullidae
Parupeneusbarberinus
Dash-and-dot goatfish
(local name)
Parupeneusindicus
Indian goatfish
(local name)
Parupeneusbifasciatus
Doublebargoatfish
(local name)
Parupeneusbarberinoides
Bicolor goatfish
(local name)
Parupeneuscyclostomus
Gold-saddle goatfish
(local name)
Soft-bottom

35. Diagnostic
characteristics
Elongate to
moderately deep,
compressed, small to
medium-sized
Mouth terminal
A single continuous
dorsal fin
Caudal fin emarginate,
forked, lunateor
falcate; the upper
and/or lower tips of the
fin with or without
pointed or filamentous
extensions
Pectoral fins with 2
unbranchedand 12 to
17 branched rays
Pelvic fins thoracic,
with I spine and 5 soft
rays
Module 6. Demersalfishes
Family Nemipteridae
4 Genera: Scolopsis, Pentapodus, Nemipterus,
Parascolopsis
Scolopsis
Pentapodus Nemipterus
Pentapodus Parascolopsis

36. Module 6. DemersalFishes
Family Nemipteridae
Scolopsismargaritifera
Pearly monocle bream
(local name)
Scolopsisaffinis
Peter’s monocle bream
(local name)
Scolopsistaeniopterus
Laticemonocle bream
(local name)
Soft-bottom

37. Module 6. DemersalFishes
Family Nemipteridae
Pentapodusbifasciatus
Whiteshoulderedwhiptail
(local name)
Pentapoduscaninus
Smalltoothedwhiptail
(local name)
Pentapodustrivittatus
Threestripedwhiptail
(local name)

38. Module 6. DemersalFishes
Family Nemipteridae
Nemipterusjaponicus
Japanese threadfin bream
(local name)
Nemipterusvirgatus
Golden threadfin bream
(local name)
Nemipterusisacanthus
Teardrop threadfin bream
(local name)
Nemipterusbathybius
Yellowbelly threadfin bream
(local name)
Nemipterusnemurus
Redspinethreadfin bream
(local name)

39. Module 6. DemersalFishes
Family Nemipteridae
Nemipterusfurcosus
Forktailthreadfin bream
(local name)
Nemipterushexodon
Ornate threadfin bream
(local name)
Nemipterusnematopus
Yellowtippedthreadfin bream
(local name)
Nemipterusmarginatus
Redfilamentthreadfin bream
(local name)
Soft-bottom

40. Module 6. DemersalFishes
Family Nemipteridae
Parascolopsiseriomma
Rosy dwarf bream
(local name)
Parascolopsisinermis
Unarmed dwarf monocle bream
(local name)
Soft-bottom

41. Diagnostic
characteristics
Diagnostic Small to
medium-sized fishes
with elongate,
compressed body that
tapers posteriorly.
Mouth surrounded
with barbels in 4 pairs;
1 pair between widely
separated anterior and
posterior nostrils
Fin spines venomous
and capable of
producing painful sting
Anal fin long and
continuous with
rounded or pointed
caudal fin
Module 6. Demersalfishes
Family Plotosidae
3 Species in Philippines:
Paraplotosusalbilabris
Plotosuscanius
Plotosuslineatus

42. Module 6. DemersalFishes
Family Plotosidae
Plotosuscanius
Spotted catfish
(local name)
Plotosuslineatus
Striped eel catfish
(local name)
Paraplotosusalbilabris
Whitelippedell catfish
(local name)
Soft-bottom

43. Diagnostic
characteristics
Deep-bodied, laterally
compressed percoid
fishes
Extremely large eyes
(about 1/2 head length)
Upturned mouth
Dorsal fin continuous
Module 6. Demersalfishes
Family Priacanthidae

44. Module 6. DemersalFishes
Family Priacanthidae
Reef-associated
Priacanthustayenus
Purple-spotted bigeye
Priacanthushamrur
Moontailbullseye
Priacanthuscruentatus
Glasseye
Cookeolusboops
Long-finned bigeye

45. Diagnostic
characteristics
Moderately elongate,
moderately
compressed, small to
large (to 200 cm
standard length)
Head and body
(occasionally also fins)
completely scaly,
except tip of snout
Sensory pores often
conspicuous on tip of
snout (upper rostral
pores)
A barbelsometimes
present on chin
Caudal fin emarginate
to pointed, never
deeply forked, usually
pointed in juveniles,
rhomboidal in adults
Module 6. Demersalfishes
Family Sciaenidae
7 Genera in Philippines:
•Atrobucca
•Dendrophysa
•Johnius
•Nibea
•Otolithes
•Pennahia
•Protonibea

46. Module 6. DemersalFishes
Family Sciaenidae
Otolithesruber
Tigertoothcroaker
(local name)
Pennahiaanea
Donkey croaker
(local name)
Nibeasoldado
Soldier croaker
(local name)
Dendrophysarusselli
Goatee croaker
(local name)
Soft-bottom

47. Module 6. DemersalFishes
Family Sciaenidae
Johniusborneensis
Sharptoothhammer croaker
(local name)
Johniusmacropterus
Largefincroaker
(local name)
Johniusamblycephalus
Bearded croaker
(local name)
Protonibeadiacantha
Spotted croaker
(local name)
Soft-bottom

48. Diagnostic
characteristics
Body variable in shape,
from deep-bodied to
elongate and little
compressed to notably
compressed
Operclewith 3 (rarely 2)
flat spines; margin of
preoperclenearly always
serrate or with 1 to 4
spines.
Mouth large, terminal
Colourpatterns are
generally the most useful
field characters as the
morphometricand
meristiccharacters often
overlap to a considerable
degree
Module 6. Demersalfishes
Family Serranidae

49. Module 6. DemersalFishes
Family Serranidae
Reef-associated
Cephalopholiscyanostigma
Bluespottedhind
Cephalopholissexmaculata
Six blotch hind
Cephalopholisminiata
Coral hind
Cephalopholisargus
Peacock hind
Cephalopholisboenak
Chocolate hind

50. Module 6. DemersalFishes
Family Serranidae
Reef-associated
Epinepheluscoioides
Greasy grouper
Epinephelusamblycephalus
Banded grouper
Epinephelusmaculatus
Highfingrouper

51. Module 6. DemersalFishes
Family Serranidae
Reef-associated
Anyperodonleucogrammicus
Slender grouper
Aethalopercarogaa
Redmouthgrouper
Plectropomusleopardus
Leopard coralgrouper
Variolaalbimarginata
White-edged lyretail
Variolalouti
Yellow-edged lyretail

52. Diagnostic
characteristics
Body laterally
compressed, oval,
deep, or slender (size to
55 cm).
Snout tubulatein a few
species. Mouth
terminal, very small;
jaws not protrusible.
Dorsal fin with XIII
strong spines and 10
soft rays; preceded by
a short, sharp,
forwardly projecting
spine
Fin spines with a pair
of lateral grooves
containing venom
glands
Module 6. Demersalfishes
Family Siganidae
16 Species in Philippines

53. Module 6. DemersalFishes
Family Siganidae
Reef-associated
Siganuscanaliculatus
White-spotted spinefoot
(local name)
Siganusguttatus
Orange-spotted spinefoot
(local name)
Siganuslineatus
Golden-lined spinefoot
(local name)
Siganusfuscescens
Pin-spotted spinefoot
(local name)
Siganusvermiculatus
Vermiculated spinefoot
(local name)
Siganusjavus
Streaked spinefoot
(local name)

54. Module 6. DemersalFishes
Family Siganidae
Reef-associated
Siganusargenteus
Streamlined spinefoot
(local name)
Siganusspinus
Little spinefoot
(local name)
Siganusunimaculatus
Barheadspinefoot
(local name)
Siganusvulpinus
Foxface
(local name)
Siganusvirgatus
Barheadspinefoot
(local name)
Siganuspuellus
Masked spinefoot
(local name)

55. Module 6. DemersalFishes
Family Siganidae
Reef-associated
Siganuspunctatus
Goldspottedspinefoot
(local name)
Siganuspunctatissimus
Peppered spinefoot
(local name)
Siganuscorallinus
Blue-spotted spinefoot
(local name)

56. Diagnostic
characteristics
Moderate-sized (to 51
cm), elongate perciform
fishes
Operclewith small
sharp spine; lower part
of preoperclehorizontal
Snout long and
conical. Mouth small,
terminal
Two separate dorsal
fins, the first with 9 to
12 slender spines; the
second with I spine and
16 to 27 soft rays
Anal fin long, with II
weak spines and 14 to
27 soft rays
Scales small, ctenoid;
lateral line slightly
arched
Module 6. Demersalfishes
Family Sillaginidae
1 Genus: Sillago

57. Module 6. DemersalFishes
Family Sillaginidae
Sillagoaeolus
Oriental sillago
(local name)
Sillagochondropus
Clubfoot sillago
(local name)
Sillagomacrolepis
Largescalesillago
(local name)
Sillagosihama
Silver sillago
(local name)
Soft-bottom

58. Diagnostic
characteristics
Small to moderate-
sized (to 70 cm, but
usually much smaller)
Body elongate,
slender, and cylindrical
Branchiostegals
present
Head and body with
cycloid scales or naked
Dorsal fin about
midway on back,
posterior to pelvic-fin
insertion
Dorsal adipose fin
over base of anal fin
Module 6. Demersalfishes
Family Synodontidae
4 Genera in Philippines:
•Synodus
•Saurida
•Trachinocephalus
•Harpadon

59. Module 6. DemersalFishes
Family Synodontidae
Sauridaelongata
Slender lizardfish
(local name)
Sauridagracilis
Gracilelizardfish
(local name)
Sauridatumbil
Greater lizardfish
(local name)
Sauridaundosquamis
Brushtoothlizardfish
(local name)
Synodusvariegatus
Variegated lizardfish
(local name)
Trachinocephalusmyops
Snakefish
(local name)
Soft-bottom

60. Diagnostic
characteristics
Small to medium-sized
(to 35 cm) perch-like
fishes; body oblong to
oblong ovate, slightly
to moderately
compressed laterally
Mouth moderate,
protractile
Operclewith 2 spines
posteriorly, the lower
one larger and stronger
Dorsal fin single
Anal fin with III
variably strong spines
and 7 to 12 soft rays
Lateral line single and
complete
Module 6. Demersalfishes
Family Terapontidae
4 Genera in Philippines:
•Mesopristis
•Pelates
•Rhyncopelates
•Terapon

61. Module 6. DemersalFishes
Family Terapontidae
Terapontheraps
Largescaledterapon
(local name)
Teraponjarbua
Jarbuaterapon
(local name)
Teraponputa
Small-scaled terapon
(local name)
Pelatesquadrilineatus
Fourlinedterapon
(local name)
Soft-bottom

62. Module 6. DemersalFishes
Family Terapontidae
Mesopristescancellatus
Tapiroidterapon
(local name)
Rhyncopelatesoxyrhynchus
Blotched terapon
(local name)
Mesopristesargenteus
Silver terapon
(local name)
Soft-bottom

63. FLATFISHES

64. CYNOGLOSSIDAE –
Tonguesoles
Module 6. DemersalFishes
FLATFISH FAMILIES
PSETTODIDAE –Spiny turbot
CITHARIDAE –Largescaleflounder
PLEURONECTIDAE –
Righteyeflounder
BOTHIDAE –Lefteyeflounder
PARALICHTHIDAE –Sand flounder
SOLEIDAE –Soles
Soft-bottom

65. SHARKS
(some examples)

66. Module 6. DemersalFishes
Family Carcharhinidae
Prionaceglauca
Blue shark
(local name)
Diagnostic
characteristics
•Long, narrow snout with
long head
•Long, slender “flabby”
body
•Very long, slender
pectoral fins
•First dorsal fin closer to
pelvic fins than pectoral
fins
•Small gill slits
•Weak ridge on caudal
peduncle
•Dorsal surfaced deep
iridescent blue fading to
blue with white ventral
surfaces

67. Module 6. DemersalFishes
Family Carcharhinidae
Galiocerdocuvier
Tiger shark
(local name)
Diagnostic
characteristics
•Dark, vertical barring
pattern covering most of
body
•Broad, wide and
flattened head
•Barring pattern is spotted
in juveniles and may fade
in large adults
•Upper teeth are
distinctively shaped and
strongly serrated
•Terminal point of each
tooth hooks laterally
instead of forming a
triangular shape
•Wide and very blunt
snout
•Juveniles spotted
instead of striped

68. Module 6. DemersalFishes
Family Carcharhinidae
Carcharhinuslongimanus
Ocean whitetipshark
(local name)
Diagnostic
characteristics
•Large pectoral and first
dorsal fins with white or
mottled tips
•Large individuals have
fin spots that are
indistinct or faded
•Dorsal fin is fully
rounded at tip
•Flattened head and
rounded snout
•Body color typically
brown, white ventrally
•May have black
markings on the tips of
pelvic, anal, second
dorsal and lower caudal
fins and a black patch on
the upper caudal
peduncle

69. Module 6. DemersalFishes
Family Carcharhinidae
Carcharhinusfalciformis
Silky shark
(local name)
Diagnostic
characteristics
•Dorsal fin is small and
clearly beyond pectoral
fins
•Low Interdorsal ridge
•No ridge or keel on
caudal peduncle
•Copper-brown body
fading to white, white
ventrally
•Body completely clear of
markings
•Ventral side of caudal fin
tips black or dark
•Eye pupil small with
vertical slits
•Dark tip on ventral
surface of pectoral fin
•Long pectoral fins
•Dorsal and anal fins
possess spines

70. RAYS

71. Module 6. DemersalFishes
Family Dasyatidae
Taeniuralymma
Bluespottedfantail ray
(local name)
Neotrygonkuhlii(Dasyatiskuhlii)
Bluespottedmask ray
(local name)
Himanturauarnak
Reticulate whipray
(local name)

72. Module 6. DemersalFishes
Family Myliobatidae(Eagle & Manta rays)
Rhinopterajavanica
Bluespottedfantail ray
(local name)
Aetobatusnarinari
Spotted eagleray
(local name)
Manta birostris
Giant manta
(local name)

73. Module 6. DemersalFishes
Family Myliobatidae(Eagle & Manta rays)
Manta birostris
Giant manta
(local name)
Mobulamobular
Devil fish
(local name)
•Coloration and
shape of head
extensions
(Cephalic fins)
•Whip-like tail

74. END of LECTURE
Module 6. DemersalFishes

75. REVIEW GAME
(modify using important fish families and species in
area)
-work as a group
-correctly identify the species shown and accumulate
points!
Module 5. DemersalFishes

76. To which FAMILY do these fishes belong? (1
point)
Module 5. DemersalFishes
1

77. To which FAMILY do these fishes belong? (1
point)
Module 5. DemersalFishes
2

78. To which FAMILY do these fishes belong? (1
point)
Module 5. DemersalFishes
3

79. Give the (a) Family, (b) Common English name,
and (c) Scientific name of the fish shown (3
points)
Module 5. DemersalFishes
4

80. Give the (a) Family, (b) Common English name,
and (c) Scientific name of the fish shown (3
points)
Module 5. DemersalFishes
5

81. Give the (a) Family, (b) Common English name,
and (c) Scientific name of the fish shown (3
points)
Module 5. DemersalFishes
6

82. To which FAMILY do these fishes belong? (1
point)
Module 5. DemersalFishes
7

83. To which FAMILY do these fishes belong? (1
point)
Module 5. DemersalFishes
8

84. Give the (a) Family, (b) Common English name,
and (c) Scientific name of the fish shown (3
points)
Module 5. DemersalFishes
9

85. Give the (a) Family, (b) Common English name,
and (c) Scientific name of the fish shown (3
points)
Module 5. DemersalFishes
10