Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক; ঈষৎ লোনা তলদেশ বিহারী; অ_ পরিযায়ী; গভীরতার পরিসীমা 0 - 102 m (Ref. 58496). Temperate; 66°N - 32°N
North Pacific: Sea of Okhotsk and the Bering Sea to Los Angeles County, USA, but records west of the Gulf of Alaska doubtful.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 2850)
পৃষ্ঠীয় কাঁটা (মোট ) : 8 - 9; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 16 - 18; পায়ূ কাঁটা : 0; পায়ূর নরম পাখনা্তুন্ড: 12 - 14. Caudal fin rounded; .
A resident intertidal species with homing behavior (Ref. 32612), found in sheltered areas and common in tide pools (Ref. 2850). In areas with rough surf, it occurs in higher, more sheltered places (Ref. 2850). Can leave tide pools when aquatic conditions become inhospitable (Ref. 31184). Shows a tendency to return to its home pool if displaced (Ref. 6885). Breathes air when out of water (Ref. 31184).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Males clasp females with their pectoral fin and fertilizes the eggs as it is being deposited on a rock (Ref. 6885).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 5.8 - 14, mean 9.1 °C (based on 242 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.4 ±0.47 se; based on food items.
Generation time: 5.3 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (K=0.21; tm=1).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
