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🌊 Marine 🌡️ Boreal

Nutcracker prickleback

Bryozoichthys lysimus Jordan & Snyder, 1902
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
45–490 m
Climate
Boreal
Resilience
Low
Vulnerability
49.00/100
Typical Length
22.3 cm
Depth Zone
demersal

📖 Overview

Found in soft bottoms at depths of 45 - 490 meters; usually on outer continental shelf and upper slope .

Scientific Name
Bryozoichthys lysimus
Authority
Jordan & Snyder, 1902
Habitat
Marine
Climate
Boreal
Max Length
27 cm
Depth Range
45–490 m
Trophic Level
3.5
Resilience
Low
Vulnerability
49.00/100
Water Temp
1–4 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 61 - 66; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 47 - 50. Dorsal side of head with numerous dermal cirri; scales on body not extending forward beyond origin of dorsal fin; anterior chin with a pair of small cirri .

🌀 Behaviour

Behavioural data for Nutcracker prickleback is currently being reviewed.

🦐 Diet

Diet information for Nutcracker prickleback is currently being compiled.

🥚 Reproduction

Reproduction data for Nutcracker prickleback is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 45 - 490 m , usually 100 - 200 m . Boreal; 1°C - 4°C North Pacific: northern Hokkaido, Japan to the northern Sea of Japan, the Okhotsk and Bering seas, to Gulf of Alaska (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.16 (TL)
Max TL
27cm
Dorsal Spines
64
Anal Spines
1
Anal Rays
49

🌡️ Water Parameters & Tolerance

Temperature Range
1–4°C
Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
49.00/100
Moderate-High vulnerability
Trophic Level
3.5
Predator
Climate Zone
Boreal
Described By
Jordan & Snyder, 1902

🌐 Names & Taxonomy

Language Common Names
🇬🇧English nutcracker prickleback
🇯🇵Japanese Fusakakegimpo · フサカケギンポ
🇷🇺Russian Длинноперая мшанковая собачка

Scientific Synonyms

Scientific Name Author Year Status
Bryolophus lysimus Jordan & Snyder 1902 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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