| Pontoporeiidae () |
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benthic; brackish; marine; depth range 4 - 237 m |
| Arctic and Northern Atlantic: from Chukchi Sea to Nova Scotia, Canada, north to Franz Josef Land and east to Kara Sea. |
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| Minimum depth from Ref. 125127. It inhabits muddy areas, with low temperatures and medium high salinity at depths over 35 meters, compared to shallower areas (Ref. 95730). A mobile surface detritivore (Ref. 95752). Are nocturnal swimmers. Growth periods linked to spring phytoplankton blooms. Semelparous, with lifecycles lasting from 1 to 3 years in the northern Baltic proper. Eggs hatch in March-April. Sexual maturity is attained in 6 to 7 months (autumn). Males then undergo metamorphosis to adapt to pelagic life during which they do not feed, mate with females along the water column and then eventually die. The females, on the other hand, die after releasing their young the following spring (Ref. 90432). |
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Not Evaluated (N.E.) Ref. 123251)
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