Gastropoda |
Littorinimorpha |
Assimineidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Subtropical
Southern Pacific: New Zealand, Kermadec and Easter Island.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 0.3 cm SHH male/unsexed; (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
Maturity | Reproduction | Spawning | 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. (Ref. 337)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).