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🌊 Marine 🌡️ Boreal

Prowfish

Zaprora silenus Jordan, 1896
Zaprora Silenus (Zaprora silenus)
Zaprora Silenus (Zaprora silenus)
Max Length
88 cm
Max Weight
7.0 kg
Lifespan
9 yrs
Trophic Level
3.7
Depth
0–675 m
Climate
Boreal
Resilience
Low
Vulnerability
54.00/100
Typical Length
42.9 cm
Depth Zone
demersal

📖 Overview

Adults occur near bottom . Young to 7.2 cm are pelagic or bathypelagic, usually associated with jellyfish . Juveniles take shelter under the medusae and are often mistaken for medusafish Icichthys lockingtoni .

Scientific Name
Zaprora silenus
Authority
Jordan, 1896
Habitat
Marine
Climate
Boreal
Body Shape
Short and / or deep
Max Length
88 cm
Max Weight
7 kg
Lifespan
9 years
Depth Range
0–675 m
Trophic Level
3.7
Resilience
Low
Vulnerability
54.00/100
Water Temp
0–4 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 54 - 57; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 29 - 30. Caudal rounded.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Prowfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
57cm TL

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 675 m , usually 0 - 500 m . Boreal; 0°C - 4°C ; 66°N - 34°N North Pacific: Hokkaido, Japan and western Kamchatka, Russia to Navarin Canyon in the Bering Sea, Attu Island in the Aleutian chain and San Miguel Island, California, USA.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01738 × L2.97 (TL)
Max TL
88cm
Max Weight
7,000g
Dorsal Spines
56
Anal Rays
30

🌡️ Water Parameters & Tolerance

Temperature Range
0–4°C
Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
54.00/100
Moderate-High vulnerability
Trophic Level
3.7
Predator
Body Shape
Short and / or deep
Climate Zone
Boreal
Described By
Jordan, 1896

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