Johnius
trewavasae
Sasaki, 1992
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Family:
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Sciaenidae
(Drums or croakers)
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Google Image (not verified) Go to ccfishery.net May show another species!
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Order:
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Perciformes
(perch-likes)
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Class:
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Actinopterygii (ray-finned fishes)
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In this site name:
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Trewavas croaker |
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Max. size:
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15.0 cm SL (male/unsexed; Ref. 9772) |
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Environment: |
benthopelagic; marine; depth range ? 40 m
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Climate: |
tropical |
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Importance:
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fisheries: minor commercial |
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Resilience: |
High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)
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Distribution:
www.ccfishery.net
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Western Pacific: Taiwan, Hong Kong, Shanghai and Singapore.
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Morphology:
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Dorsal
spines
(total): 10 - 11;
Dorsal
soft rays
(total): 24 - 27;
Anal
spines: 2;
Anal
soft rays: 7 8. Small species with a moderately elongate body. Dark mottled pattern dorsally, creamy white ventrally; scale pockets on dorsal side of head and body with broad, dark margins; spinous dorsal fin black, pectoral fins grey, pelvic fins pale (Ref. 9772).
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Biology: |
Inhabits shallow coastal waters (Ref. 9772).
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Red List Status: |
Not in IUCN Red List (Ref. 57073)
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Dangerous:
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harmless
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Coordinator: |
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