Larvae Summary
Summary for Carapus acus larvae
Pearl fish

Carapus  acus  (BrĂ¼nnich, 1768)  
Family: Carapidae (Pearlfishes) ( not available )
Order: Ophidiiformes
Class: Teleostei
English name: Pearl fish
Distribution: Eastern Atlantic: including the Mediterranean. Probably south to Ascension Island.
Adult biology: Common species (Ref. 34024). Adults typically live as commensals in the gut of shallow-water holothurians, Holothuria tubulosa and Stichopus regalis (although some deep-water records exist, see Ref. 6347). Prejuveniles (tenuis larvae) probably inhabit the same host species while the vexillifer and egg-rafts are planktonic. The fish may partly protrude or entirely leave its host at night to feed on small fish and benthic invertebrates. Reproduction noted in July-September. (Ref. 4741).
Diagnosis: A dorsal appendage (vexillum) is developed and at 4 mm it is longer than the trunk.. See also LARVAE table.
Climate Zone: subtropical; 42°N - 15°S
Main Ref: Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli. 1956. (Ref. 65)

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Modified by:
Luna, Susan M.
Entered by:
Papasissi, Christine

Ref.:  
Glossary
(e.g. 9948) (e.g. urostyle)
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