Hoplonemertea |
Monostilifera |
Tetrastemmatidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall ? - 2 m (Ref. 125683). Subtropical
Northwest Pacific: Japan and Hong Kong. Subtropical to temperate.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 1.0 cm TL hane/ej könsbestämd; (Ref. 125683)
Has a tetrastemmid shape: body bluntly rounded anteriorly, tapering gradually towards the tail, ending in a blunt tip. Four moderately sized eyes are distinct. Generally has a pale orange-brown color which fades anteriorly.
Found in roots of seaweeds between tidemarks (Ref. 907). Also found on coral debris and substrates composed of sand, gravel, and shell fragments (Ref. 125683). Among mussel beds (Ref. 126155).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the phylum Nemertea are mostly gonochoric. Life cycle: Eggs hatch and develop into short-lived lecitotrophic larvae before metamorphosing into juveniles and further into adults.
Iwata, F. 1954 The fauna of Akkeshi Bay. XX. Nemertini in Hokkaido (revised report). Reprinted from the Journal of the Faculty Science, Hokkaido University. Series VI, 12(1-2):39 p. (Ref. 907)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
