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🌊 Marine 🌡️ Subtropical

Ogasawara sweeper

Pempheris familia Koeda & Motomura, 2017
Max Length
15.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
10–16 m
Climate
Subtropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Schools in underwater rock recesses in groups of up to ca. 10 individuals, associated with very large numbers of Pempheris schwenkii being observed in the same rock recesses .

Scientific Name
Pempheris familia
Authority
Koeda & Motomura, 2017
Habitat
Marine
Climate
Subtropical
Max Length
15.3 cm
Depth Range
10–16 m
Trophic Level
3.5
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6; Dorsal soft rays (total): 9 - 10; Anal spines: 3; Anal soft rays: 35 - 36; Vertebrae: 25. This species is distinguished by the following characters: lateral and ventral body scales are strongly ctenoid, adherent, with distinct basal and distal portions; abdomen cross-sectional outline U-shaped; a large ventral fenestra between coracoid and cleithrum; dorsal-fin soft rays 10; anal-fin soft rays 35-36; pored lateral-line scales 84-88; scale rows above lateral line 14-15; predorsal scales 50-55; circumpeduncular scales 26. Colouration: body orange copper; blackish blotch on fins is limited to tip of dorsal, anal and caudal fins; a distinct blackish blotch on pectoral-fin base .Cross section: compressed.

🌀 Behaviour

Behavioural data for Ogasawara sweeper is currently being reviewed.

🦐 Diet

Diet information for Ogasawara sweeper is currently being compiled.

🥚 Reproduction

Reproduction data for Ogasawara sweeper is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 10 - 16 m . Subtropical Northwest Pacific: Japan (Ogasawara Is.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.5±0.5
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.0138 × L3.02 (TL)
Max TL
15.3cm
Dorsal Spines
6
Dorsal Rays
10
Anal Spines
3
Anal Rays
36
Vertebrae
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Subtropical
Described By
Koeda & Motomura, 2017

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