Eteone longa (Fabricius, 1780)
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Family:  Phyllodocidae ()
Max. size: 
Environment:  benthic; brackish; marine; depth range 0 - 237 m
Distribution:  Arctic, Northern Atlantic, Pacific Ocean and the Mediterranean. Subtropical to polar.
Biology:  Maximum depth from Ref. 117328. Found in estuarine and inshore areas (Ref. 96352). Inhabits muddy detritic areas (Ref. 2780). Prefers substrates with particularly high mud content along near-coastal zones. A carnivore-scavenger (Ref. 96352); secretes slime when handled (Ref. 7882). Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults (Ref. 833).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans: 
Country info:   

Entered by: Dar, Christine - 11.12.05
Modified by: Sorongon-Yap, Patricia - 03.04.20

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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