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🌊 Marine Least Concern 🌡️ Deep-water

Straighthead soldierfish

Ostichthys archiepiscopus Valenciennes, 1862
Max Length
32 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
90–640 m
Climate
Deep-water
Resilience
Low
Vulnerability
25.00/100
Typical Length
24 cm
Depth Zone
deep-water

📖 Overview

Overview information for Straighthead soldierfish is currently being compiled by our editorial team.

Scientific Name
Ostichthys archiepiscopus
Authority
Valenciennes, 1862
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
32 cm
Depth Range
90–640 m
Latitude
21°S – 27°N
Trophic Level
3.9
Resilience
Low
Vulnerability
25.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 14. This species is distinguished by the following characters: scales above lateral line to midbase of spinous portion of dorsal fin 2½; D XII, soft rays modally 14, the last two dorsal-fin spines about equal in length or last slightly shorter; space between last dorsal-fin spine and first dorsal-fin ray about half as broad as space between last two dorsal-fin spines; upper procurrent spiniform caudal-fin rays 4, lower rays 3; origin of anal fin beneath spinous portion of dorsal fin; lateral-line scales 28-30 (usually 29); dorsal profile of head straight; pectoral-fin rays 14-16 (modally 15); gill rakers 7-9 + 13-15; depth of body 2.1-2.35 in SL; head relatively short, 2.45-2.6 in SL; snout long, 3.7-4.7 in HL; depth of caudal peduncle 3.8-4.7 in HL; colour when fresh red with a faint whitish longitudinal banding following scale rows .: short and / or deep; Cross section: oval.

🌀 Behaviour

Behavioural data for Straighthead soldierfish is currently being reviewed.

🦐 Diet

Diet information for Straighthead soldierfish is currently being compiled.

🥚 Reproduction

Reproduction data for Straighthead soldierfish is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 90 - 640 m . Deep-water; 27°N - 21°S, 35°E - 149°W Indian Ocean: Japan, Fr.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01778 × L3.02 (TL)
Max TL
32cm
Dorsal Spines
12
Dorsal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Latitude Range
27°N – 21°S
Described By
Valenciennes, 1862

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