Actinopteri (ray-finned fishes) > Kurtiformes
(Nurseryfishes, cardinalfishes.) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: Cercamia: Greek, kerkos = tail + Greek, amia = a kind of fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 2 - 40 m (Ref. 37816). Tropical
Indo-West Pacific: Red Sea, Cocos-Keeling, Christmas Island, northwestern Australia, Great Barrier Reef, and Palau (Ref. 37816). Recently reported from Tonga (Ref. 53797).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 90102)
(total): 6 - 7;
soft rays: 12 - 13. Reddish brown pigment on the snout and cheek, clear fins, and deciduous scales (Ref. 37816). Two pairs of epipleural ribs, no predorsal bones, and hypurals 1-4 are fused into a double fan-shaped structure; 9+15 vertebrae. Transparent with no obvious markings (Ref. 10632).
Inhabits clear seaward reefs (Ref. 37816). Nocturnal species (Ref. 7300). Solitary; inhabits deep caves and crevices during day (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing during courtship and spawning (Ref. 205).
Allen, G.R., 1999. Apogonidae. Cardinalfishes. p. 2602-2610. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 4. Bony fishes part 2 (Mugilidae to Carangidae). Rome, FAO. 2069-2790 p. (Ref. 39191)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 24.1 - 28.8, mean 27.6 °C (based on 440 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00726 - 0.03306), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .