| Family: |
Apogonidae (Cardinalfishes), subfamily: Apogoninae |
| Max. size: |
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6.4 cm SL (male/unsexed) |
| Environment: |
reef-associated; freshwater; brackish; marine; depth range 0 - 134 m |
| Distribution: |
Central Pacific: Endemic to Hawaii. |
| Diagnosis: |
Dorsal spines (total): 9-9; Dorsal soft rays (total): 9-9; Anal spines: 2-2; Anal soft rays: 8-8; Vertebrae: 24-24. This species is distinguished by the following characters: pored lateral-line scales usually 9-10 and 14-16 gill rakers and rudiments on first gill arch; body scales with narrow dark margins; body uniform to mottled brownish without darker bars on sides (except at night); the second dorsal fin, anal fin and caudal fin pale are without darkish banding; pectoral fin with no whitish spot at axil; without whitish spots at base of caudal peduncle or behind posterior base of second dorsal fin; two darkish small marks near base of caudal peduncle (Ref. 93673). Description: D VII(I)-I,9, with the third spine longest and strongest, sixth radial free in advance of hidden nubbin representing eighth spine (Ref. 93673). |
| Biology: |
Occurs among seagrasses, heavy algal growth, or rubble of shallow sheltered areas (Ref. 1602); sandy substrates (Ref. 76833). Readily enters brackish and also found in fresh waters (Ref. 27665). Benthic and benthopelagic (Ref. 58302). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 05 February 2021 Ref. (130435)
|
| Threat to humans: |
harmless |
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