Ecology Summary - Eumicrotremus spinosus

Língua:

Ref. principal	Stein, D.L., 1986
Notas	Demersal (Ref. 94970). Inhabits stony bottoms (Ref. 4701). Benthic. Feeds on amphipods, crustaceans, oikopleura and fishes (Ref. 4701, 58426). It is preyed upon by Atlantic cod and thick-billed murres (Ref. 5951). Common in the waters around Svalbard, but very little detailed knowledge exists regarding its life history, feeding and reproductive biology. A demersal and slow moving fish (Wiener-roither et al. 2011; pers. obs.), feeds on pelagic and hyperbenthic invertebrates such as krill and amphipods, but also polychaetes and larval stages of fish (Hutchings 2002; Roshchin 2006). Spawning has been reported to occur in August-September (Andriashev 1954; Wienerroither et al. 2011), although other reports indicate that it may be extended to January/February (Hutchings 2002). Furthermore, eggs have been observed attached to rocks (Wienerroither et al. 2011) (Ref.94970 )

Ref. principal

Stein, D.L., 1986

Notas

Demersal (Ref. 94970). Inhabits stony bottoms (Ref. 4701). Benthic. Feeds on amphipods, crustaceans, oikopleura and fishes (Ref. 4701, 58426). It is preyed upon by Atlantic cod and thick-billed murres (Ref. 5951). Common in the waters around Svalbard, but very little detailed knowledge exists regarding its life history, feeding and reproductive biology. A demersal and slow moving fish (Wiener-roither et al. 2011; pers. obs.), feeds on pelagic and hyperbenthic invertebrates such as krill and amphipods, but also polychaetes and larval stages of fish (Hutchings 2002; Roshchin 2006). Spawning has been reported to occur in August-September (Andriashev 1954; Wienerroither et al. 2011), although other reports indicate that it may be extended to January/February (Hutchings 2002). Furthermore, eggs have been observed attached to rocks (Wienerroither et al. 2011) (Ref.94970 )

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	zona supra-litoral zona litoral zona sublitoral	epipelágico mesopelágico epipelágico abissalpelágico hadopelágico	Estuários/lagunas/áreas estuarinas mangais pântanos	rios/correntes lagos/lagoas Grutas exclusivamente

Highighted items on the list are where Eumicrotremus spinosus may be found.

Habitat

Substrato	Benthic: demersal; Hard Bottom;
Substrato Ref.
Special habitats
Habitats especiais Ref.

Associações

Ref.
Associações
Associado a
Observações da associação
Parasitism

Alimentação

Tipo de alimentação	mainly animals (troph. 2.8 and up)
Tipo de alimentação Ref.	Stein, D.L., 1986
Hábito alimentar	hunting macrofauna (predator)
Hábito alimentar Ref.	Stein, D.L., 1986

Trophic Level(s)

Estimation method	Amostra original		População virgem (não pescada)		Nota
Estimation method	Troph	s.e.	Troph	s.e.	Nota
Da composição da dieta
Dos itens alimentares individuais	3.24	0.40			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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Aquatic zones / Water bodies

Habitat

Associações

Alimentação