Polychaeta |
Amphinomida |
Amphinomidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
. Tropical
Indo-West Pacific: Japan to Australia and Moluccas.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 2.0 cm BL hane/ej könsbestämd; (Ref. 80356)
Known from shallow waters (Ref. 80356).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
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.
Rosito, R.M. 1983 Polychaeta from shallow waters off Mactan, Cebu, Part II. The Philippine Scientist 20(1983):11-38. (Ref. 80356)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 28.1 - 29.1, mean 28.7 (based on 116 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.