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Summary for Carapus acus Larvae
Pearl fish

Carapus  acus  (Brünnich, 1768)
Family:	Carapidae (Pearlfishes)			( not available )
Order:	Ophidiiformes
Class:	Actinopterygii (ray-finned fishes)
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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Internet sources:	CISTI | Google | GoogleImages | GOBASE | GenBank | PubMed | Scirus | Zoological Record Note: use the Back button of your browser to return to LarvalBase.
	Modified: Luna, Susan M.	Entered: Papasissi, Christine

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

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Page created by Eli 09.11.99, last modified by Eli 04.03.05.