Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Apogonichthys: Greek, a = without + Greek pogon = chin, beard + Greek, ichthys = fish (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; reef-associated; depth range 1 - 5 m (Ref. 30874). Tropical; 32°N - 28°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm TL male/unsexed; (Ref. 4329); common length : 3.2 cm SL male/unsexed; (Ref. 37816)
Indo-Pacific: East Africa to Marquesan and Tuamoto islands, north to southern Japan, south to southern Great Barrier Reef and Rapa; throughout Micronesia.
Occurs inshore (Ref. 7300). Found in shallow sheltered lagoons and harbors, hiding among rocks, rubble, or clumps of brown algae (Ref. 1602). Nocturnal species. Solitary and cryptic (Ref 90102).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Harmless
Human uses
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01263 (-0.15731 - 0.18256), b=3.14907 (3.05493 - 3.24321), based on LWR estimates for this family-BS (Ref.
93245).
Trophic Level (Ref.
69278): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .