Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Sphaeramia: Greek, sphaira = ball + Greek, amia = a kind of shark (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; reef-associated; depth range 1 - 14 m (Ref. 11890). Tropical; 30°N - 12°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm TL male/unsexed; (Ref. 48635)
Western Pacific: Java to Fiji, north to the Ryukyu Islands, south to the Great Barrier Reef. Recently recorded from Tonga (Ref. 53797).
Forms aggregations among the branches of Porites nigrescens and P. cylindrica in sheltered bays and lagoons (Ref. 1602, 48635). Disperses at night to feed close to the bottom (Ref. 9710). Has been reared in captivity (Ref. 35407). Popular aquarium fish (Ref. 37816).
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
Aquarium: commercial
More information
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01263 (-0.15731 - 0.18256), b=3.15 (3.05 - 3.24), based on LWR estimates for this family-BS (Ref.
93245).
Trophic Level (Ref.
69278): 3.2 ±0.36 se; Based on food items.
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .