Hoplonemertea |
Monostilifera |
Tetrastemmatidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range ? - 5 m (Ref. 410). Boreal
Northwest Pacific: known from coastal waters of Hokkaido and in Far Eastern seas of Russia, it is found in coastal waters of southern and middle Primorè, Kunashir Island, and in Aniva Bay; also found in Peter the Great Bay.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Settles in shallows not deeper than 5 m, under stones among bryozoans and calcareous algae (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
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
Price category
Unknown.