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🌊 Marine 🌡️ Deep-water

Pearly prickleback

Bryozoichthys marjorius McPhail, 1970
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
75–380 m
Climate
Deep-water
Resilience
Low
Vulnerability
51.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Pearly prickleback (Bryozoichthys marjorius), first described by McPhail, 1970 is a medium-sized fish in the family Stichaeidae (order Perciformes). Adults typically reach 30.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 75 to 380 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Bryozoichthys marjorius
Authority
McPhail, 1970
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
30 cm
Depth Range
75–380 m
Trophic Level
3.5
Resilience
Low
Vulnerability
51.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 67 - 71; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 53 - 55; Vertebrae: 71 - 73. Caudal truncate to slightly rounded .: elongated.

🌀 Behaviour

Behavioural data for Pearly prickleback 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; bathydemersal; depth range 75 - 380 m . Deep-water Northeast Pacific: Aleutian Islands, Alaska to southern British Columbia, Canada.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.16 (TL)
Max TL
30cm
Dorsal Spines
69
Anal Spines
1
Anal Rays
54
Vertebrae
72

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
McPhail, 1970

👥 Community & Contribute

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