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🌊 Marine 🌡️ Polar

Searcher

Bathymaster signatus Cope, 1873
Bathymaster Signatus (Bathymaster signatus)
Bathymaster Signatus (Bathymaster signatus)
Max Length
38 cm
Max Weight
-
Lifespan
9 yrs
Trophic Level
3.8
Depth
0–825 m
Climate
Polar
Resilience
Low
Vulnerability
33.00/100
Typical Length
30 cm
Depth Zone
demersal

📖 Overview

Adults are found offshore on soft bottoms ; and deeper (to 300 m) than other ronquils . Reaches more than 38 cm .

Scientific Name
Bathymaster signatus
Authority
Cope, 1873
Habitat
Marine
Climate
Polar
Body Shape
Elongated
Max Length
38 cm
Lifespan
9 years
Depth Range
0–825 m
Trophic Level
3.8
Resilience
Low
Vulnerability
33.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 47; Anal spines: 0; Anal soft rays: 32 - 34. Caudal fin narrow, gently rounded . Brown on the dorsal surface with dark markings, lighter ventrally with yellow to orange streaks; yellow on head in some areas and yellow mottling on fins; black blotch on anterior part of dorsal fin for first 3 to 5 rays, conspicuous; pelvic fins dusky and some dark marks on other fins; eyes reputed to be blue .: elongated.

🌀 Behaviour

Behavioural data for Searcher is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 825 m , usually 35 - 380 m . Polar Northwest to Northeast Pacific: East Siberian Sea to eastern Kamchatka and the Commander Islands, Russian and Washington, USA (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
38cm
Dorsal Rays
47
Anal Rays
33

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Polar
Described By
Cope, 1873

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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