Super Class Pisces Animals General Characters & Classification, Zoology

Zoology Assignment Help >> Super Class Pisces Animals

SUPER CLASS - PISCES

General characters-

1. Habit and habitat: Aquatic, fresh water or marine, cold blooded vertebrates.

2. Skin: Covered with scales, bony plates or dermal denticies.

3. Body: It is usually streamlined but some are elongated, few are dorso¬ventrally compressed and some are snake like.

4. Fins: Paired or unpaired with soft or spiny rays.

5. Endoskeleton: Cartilaginous and bony.

6. Respiratory organs: Gills, but accessory respiratory organs are also present. The gill slits open outside. These are covered in bony fishes. These gill slits are never more than seven.

7. Lateral line system: Well developed.

8. Heart: Venous heart i.e., only deoxygenated blood is transported through the heart. Two chambered-one auricle and one ventricle.

9. Excretory system: Two mesonephric type kidneys.

10. Cranial nerves: Ten pairs.

11. Ear: Only internal.

12. Sex: Unisexual.

13. Development: Indirect.

14. Reproductive organs: One pair of gonads with gonoducts.

Classification-

Class 1-Elasmobranchii e.g. scoliodon, zygaena, trygon, pristis, torpedo.

Class 2-Holocephalii e.g. chimaera.

Class 3-Dipnoi e.g. protopterus, lepidosiren.

Class 4 - Teleostomi e.g. latimerta) polypterus, amia (bow fish), notopterus (knife fish), labeo, catla, cyprinus, heteropneustes, clarias, wallago, mystus, auguilla (Eel), exocoetus (Flying fish), hippocampus (sea horse), syngnathus (Pipe fish), ophiocephalus, anabas (climbing fish), synaptura (flat fish), echineis (remora), tetradon (Globe fish), diodon (porcupine fish).

Live Zoology Experts: SUPER CLASS – PISCES, Classification of Animals, Zoology Assignment Help

We at Expertsmind.com offer zoology assignment help, classification of animals case study and theory homework help and coursework writing assignment help with quality of answers. We provide case study of SUPER CLASS - PISCES animals, SUPER CLASS - PISCES characters, SUPER CLASS - PISCES classification and writing assignments related to topics. Our zoology experts are highly qualified and experienced and they have ability to solve complex problems within very short time. Get solved classification of animals and characters problems from live online experts at Expertsmind.com.