CLASSIFICATION OF HIPPA (MOLE CRAB)
KINGDOM :- ANIMALIA (Multicellular eukaryotic organisms)
PHYLUM :- ARTHROPODA (Jointed appendages.)
SUB-PHYLUM:- CRUSTACEA (Exoskeleton thick, antennae 2 pairs, jaws 3 pairs.)
CLASS :- MALACOSTRACA (Free-living Crustacea with compound eyes, biramous antennules, mandibles, 8 thoracic and 6 abdominal segments having appendages.)
ORDER :- DECAPODA (Carapace present; first three thoracic limbs from maxillipedes.)
FAMILY :- HIPPIDAE
GENUS :- Hippa (Mole crab)
GEOGRAPHICAL DISTRIBUTION
It is found on Pacific coast, U.S.A. and Oregon to Mexico.
HABIT AND HABITAT
Hippa is commonly found in the sand bottoms and beaches near the coastal region. It burrows with fast speed.
GENERAL CHARACTERSTICS OF HIPPA (MOLE CRAB)
- Commonly called as mole crab.
- Body is somewhat reduced and the sub-cylindrical carapace is provided with wings which cover the legs. Rostrum is reduced.
- Head appendages are a pair of stalked compound eyes, a pair of short antennules a pair of long hairy antennae. The third maxillipedes are broad.
- 7 pairs of thoracic appendages are present. First 2 pairs are partially chelate, next two pairs are pointed anteriorly and last three pairs are backwardly pointed. A gill is attached with each thoracic legs.
- Last one or two pairs of thoracic appendages are usually smaller and often concealed by the carapace.
- Abdomen is more or less reduced often soft and bent upon itself. The abdominal pleura small.
- Abdomen 6-segmented. First 3 abdominal segments bear swimming appendages and produce water current to bathe the gills. The last three are posteriorly directed and are called as uropods, which are used for darting
IDENTIFICATION
The animal contains sub-cylindrical carapace concealing appendages and all above features, hence it is Hippa.
OUR POSTS
WHALE (BALAENOPTERA)WHALE (BALAENOPTERA) CLASSIFICATION OF WHALE (BALAENOPTERA) PHYLUM :- CHORDATA (Notochord, dorsal tubular nerve cord present and gill slits present) Group :- CRANIATA (Definite head. Cranium with ...READ MORE
HEDGEHOG (ERINACEUS)HEDGEHOG (ERINACEUS) CLASSIFICATION OF ERINACEUS : HEDGEHOG PHYLUM :- CHORDATA (Notochord, dorsal tubular nerve cord present and gill slits present) Group :- CRANIATA (Definite head. Cranium with ...READ MORE
ZEBRAZEBRA CLASSIFICATION OF ZEBRA PHYLUM :- CHORDATA (Notochord, dorsal tubular nerve cord present and gill slits present ) Group :- CRANIATA ( Definite head. Cranium with brain present ) ...READ MORE
MANGOOSE : HERPESTESMANGOOSE : HERPESTES CLASSIFICATION OF MANGOOSE : HERPESTES PHYLUM :- CHORDATA (Notochord, dorsal tubular nerve cord present and gill slits present) Group :- CRANIATA (Definite head. Cranium with ...READ MORE
WHY ELEPHANTS NEVER FORGETS ?WHY ELEPHANTS NEVER FORGETS ? It’s a not unexpected saying that elephants always remember, and that is why these great creatures are more than just monster strolling on our planet earth. The ...READ MORE
SEAL : PHOCASEAL : PHOCA CLASSIFICATION OF SEAL (PHOCA) PHYLUM :- CHORDATA (Notochord, dorsal tubular nerve cord present and gill slits present) Group :- CRANIATA (Definite head. Cranium with brain present) ...READ MORE
HERDMANIA SLIDESHERDMANIA SLIDES Herdmania : Metamorphosis : Tadpole Larva Larva of Herdmania is called as tadpole larva. After hatching it leads a free-swimming life for 90-180 seconds and then undergoes ...READ MORE
AMMOCOETE LARVACYCLOSTOMATA SLIDES Lamprey : Ammocoete : Larva Whole Mount COMMENTS :- It is one of the stages in the development of lamprey. Egg develops into ammocoete larva, which is a tiny transparent creature ...READ MORE
VERTEBRAL COLUMNVertebral Column Notochord In all chordate embryos, the first axial endoskeleton to appear is a slender, stiff, unsegmented, gelatinous rod, the notochord. It is present below the nerve cord and ...READ MORE
SKULL BONESSKULL BONES SCOLIODON : SKULL BONES Skull consists of :- (A) Cranium and sense capsules, (B) Visceral skeleton. 1. Cranium and sense capsules Made up of a single piece of cartilage and divisible ...READ MORE
