Gastropoda |
Littorinimorpha |
Assimineidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
. Subtropical
Southern Pacific: New Zealand, Kermadec and Easter Island.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 0.3 cm SHH hane/ej könsbestämd; (Ref. 87884)
Shell small, 1.75 to almost 3 mm in height, moderately elevated-turbiniform, imperforate, with about 5 smooth, evenly convex whorls, an impressed suture, and a very fine line at some distance below the suture; light yellowish brown to moderate orange in color; aperture rather broadly ovate, outer lip evenly arcuate, thickened and somewhat effuse at columella and covering the narrow umbilical perforation.
Supratidal on rock (Ref. 337).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the order Neotaenioglossa are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.
Brook, F.J. 1998 The coastal molluscan fauna of the northern Kermadec Islands, Southwest Pacific Ocean. Journal of the Royal Society of New Zealand 28(2):185-233. (Ref. 337)
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 dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).