Hippocampus.pptx sahil

THIS SLIDE IS ON HIPPOCAMPUS ALSO KNOWN AS (SEA HORSE)
MOHD SHAHID & SAHIL
BSc(H)ZOOLOGY
RAMJAS COLLEGE UNIVERSITY OF DELHI

1. HIPPOCAMPUS (SEA HORSE) NAME : SAHIL ROLL NO : 2330

2. Content Classification Introduction Appearance Habitat Feeding Movement Camouflage Reproduction Summary

3. Introduction _ Seahorses are tiny fish. They are named after the shape of their head that sort of looks like a head of tiny horse. There are at least 25 species of seahorse and the spiny sea dragon .

4. Classification _ Kingdom : Animalia Phylum : Chordata Class : Actinopterygii Order : Syngnathiformes Family : Syngnathidae Genus : Hippocampus

5. Appearance _ Seahorse appear to be very different from other fishes in the sea. They are tiny, have a horse -like head. M onkey -like tail and kangaroo -like pouch , their eyes are like a chameleon. They have thin skin stretched over a series of bony plates that are visible as rings around the trunk.

6. Appearance _

7. S ome species also have spiny plates cover seahorses bodies from the tip of their head down to their curly tails. A group of spines on the top of the head is called coronet because it look like a crown.

8. Appearance W hen seahorses are babies , they are only about 5 cm long but they can grow up to 36 cm long.

9. Habitat S eahorses are found in tropical and subtropical costal and reef waters all over the pacific, Atlantic and Indian oceans. Seahorses are also found in mangrove roots , sea grass beds, mud slopes , open waters, eel grass , kelp and rocks. The large belly seahorse is the only seahorse found in new Zealand.

10. Eating Seahorses eat tiny organisms such as small shrimp , as well as very small fish and plankton. S ometimes they eat small fish larvae or anything small enough for them to swallow. S eahorses eat sucking through their tube-like snout.

11. Movement They move independently of each other and in all directions. When there are storms, seahorses clim to pieces of seaweed with their tails. The storms toss them off and washes them ashore, so they cannot get back to the sea until the tide comes in.

12. Camouflage Seahorses can come in all different colors, they are master of camouflage. They can change color to blend in with their habitat. Some are bright color to blend in with coral but some are brownish color to blend in with rocks. Many species have blotchy skin patterns which help obscure their outline they can change color in a matter of minutes to match their surrounding.

13. Reproduction Male seahorse are responsible about pregnancy and giving birth. Pregnancy lasts between two and four weeks, the length decreasing with increasing Temperature . The reproductive process begins when male and female seahorse do daily pre_ dawn dances . The reproduction ritual involves dancing, changing color and entwining tails .

14.  Sometimes, more than one male seahorse will compete to win the affections of a female. Males can inflate their pouch by pumping water through it to display its emptiness. the purpose of courtship behavior is to entice the female to deposit her eggs in it.

15. Summary Also known as Sea horse Found in tropical and subtropical costal and reef waters all over the pacific, Atlantic and Indian oceans. Seahorses eat tiny organisms such as small shrimp , as well as very small fish and plankton. It shows camouflage.

16. Thank You