CAPRELLA

CLASSIFICATION OF CAPRELLA

PHYLUM :- ARTHROPODA (Jointed appendages.)

CLASS :- CRUSTACEA (Exoskeleton thick, antennae 2 pairs, jaws 3 pairs.)

SUB-CLASS :- MALACOSTRACA (Free-living Crustacea with compound eyes, biramous antennules. mandibles. 8 thoracic and 6 abdominal segments having appendages. )

ORDER :- AMPHIPODA (Carapace absent. body elongated and laterally compressed.)

GENUS :- . Caprella

GEOGRAPHICAL DISTRIBUTION

  • It has cosmopolitan distribution. Specially found in U.S.A., Alaska to Santa Barbara.

HABIT AND HABITAT

  • Caprella lives in association of seaweeds, hydroid and polyzoan colonies.

CAPRELLA DIAGRAM

GENERAL CHARACTERSTICS OF CAPRELLA

  • It is a known as no-body crab with peculiar and extremely slender body and limbs.
  • Body has elongated segments, consisting of cephalothorax and abdomen.
  • First thoracic segments fuse with head forming cephalothorax containing eyes, antennules and antennae. Antennae are shorter than antennules.
  • First antennae longer than the second.
  • Thorax has six free segments and contains heart.
  • Gills confined to third and fourth free thoracic segments on which the legs may be wanting while the rest have sub-chelate walking legs.
  • Abdomen reduced to a small knob bearing a pair of rudimentary legs in the male.
  • Male is smaller than the female. Structure of male is like female.
  • It resembles in colour and form with polyzoan hydroid to which it mimics. It holds on by 3 pairs of long posterior prehensile thoracic legs.
CAPRELLA CAPRELLA

IDENTIFICATION

  • The animal contains elongated cephalothorax and all above features, hence it is Caprella.

CAPRELLA
CAPRELLA
OUR POSTS
  • WHALE (BALAENOPTERA)​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
  • ERINACEUS : HEDGEHOGHEDGEHOG (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
    ZEBRA 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
    MANGOOSE : 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 ?
    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 DIAGRAM : PHOCASEAL : PHOCA
    SEAL : 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 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 LARVA
    CYCLOSTOMATA 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
    Vertebral 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 BONESKULL BONES
    SKULL 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

Leave a Reply