Chrysaora melanaster

Scientific Name:-

Chrysaora melanaster

Common Name:-

Northern sea nettle

Malayalam Name:-

Category:-

Cnidaria

Status:-

Not evaluated.

Description:-

Exumbrella smooth Colouration of exumbrella usually whitish, with 16 reddish-brown radial lines arising from an apical ring. Subumbrella with 16 dark radial lines between stomach pouches . Marginal lappets rounded, 4 per octant, with canals of gastrovascular system; lappets of similar size; margin of rhopalar lappets not overlapping. Rhopalia 8, without ocelli, in deep clefts; exumbrellar sensory pit deep Gastric filaments in 4 interradial fields. Gonads encircling gastric filaments, forming a semi-circular ring, heavily folded.

Threats:-

Not reported.

Remark:-

This species is recorded from Kerala coast by Nair (1946, 1951) and Riyas (2013).

Habitat:-

Pelagic or epipelagic

Synonyms:-

Chrysaora depressa (Kishinouye, 1902)

References:-

Nair, K.K. 1946. Medusae of Travancore and their correlation with inshore fishing. Proc. First Indian Sci. Congress 32:97.
Nair, K.K. 195 1. Medusa of the Trivandrum coast. Pt. I-Systematics. Bull. Central Res. Inst., Univ. Travancore, Sec. C, (I), 47-75.
Riyas, A. 2013. Taxonomy of Scyphozoa and Cubozoa (Phylum: Cnidaria) of southern Kerala coast. MPhil Dissertation, University of Kerala (unpublished).

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