Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino benthopelagico. Temperate; 52°N - 41°N, 72°W - 47°W
Northwest Atlantic: northern Newfoundland (Strait of Belle Isle) in Canada to southern Massachusetts in USA.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 18.0 cm TL maschio/sesso non determinato; (Ref. 7251)
Found among algae on rocky shores and on hard bottom in deeper water, or depth of 55 meters or more (Ref. 51666). Male guards multiple egg masses (Ref. 58332).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Eggs are laid in several clumps or masses which are guarded by the male parent (Ref. 58332). Also Ref. 101194.
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 2.5 - 11.7, mean 6.4 °C (based on 72 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00163 - 0.00884), b=3.16 (2.96 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 4.4 ±0.0 se; based on diet studies.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.19-0.22; tmax=10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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Nutrients (Ref.
124155): Calcium = 42 [20, 79] mg/100g; Iron = 0.259 [0.142, 0.493] mg/100g; Protein = 17.5 [16.4, 18.6] %; Omega3 = 0.488 [0.231, 0.983] g/100g; Selenium = 12.3 [4.7, 28.7] μg/100g; VitaminA = 51.6 [11.9, 221.8] μg/100g; Zinc = 0.696 [0.459, 1.048] mg/100g (wet weight);
