Hoplonemertea |
Monostilifera |
Tetrastemmatidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Polar
Arctic Sea and the Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 6.0 cm TL male/unsexed; (Ref. 930)
Inhabits only high boreal waters. Known from the littoral zone of Kodiak island, Point Barrow, Avachinskii Bay, the coastal waters of the Commander Islands and Saint George Island (Ref. 410).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | 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.
Chernyshev, A.V. 1998 Nemerteans of the genus Tetrastemma (Enopia, Monostilifera) from seas of the Russian Far East. Russian Journal of Zoology. 2(3):378-385. Translated from Zoologicheskii Zhurnal. 77(9):995-1002. (Ref. 410)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
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).
Price category
Unknown.
