Hoplonemertea |
Monostilifera |
Tetrastemmatidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; brackish; depth range 0 - 75 m (Ref. 124603). Temperate; 60°N - 43°N, 68°W - 41°E
Northeast Atlantic: Aland Island, Finland, Sweden and Estonia.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
In the northern Baltic Sea, it is found in sand and in eelgrass beds (Refs. 95819, 95753). A slow-moving, infaunal predatory carnivore with limited swimming capability (Refs. 95728, 95752, 96470) (Ref. 95752).
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.
Norling, P. and N. Kautsky 2008 Patches of the mussel Mytilus sp. are islands of high biodiversity in subtidal sediment habitats in the Baltic Sea. Aquatic Biology 4:75-87. (Ref. 95728)
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 dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models