Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: Cercamia: Greek, kerkos = tail + Greek, amia = a kind of fish (Ref. 45335); cladara: Named for its deciduous scales and weak fin spines.. More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 6 - 40 m (Ref. 48635). Tropical
Eastern Central Pacific: Rapa, Austral Islands and Society Islands. Recently reported from Tonga (Ref. 53797).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 48635)
Morphology | Morphometrics
soft rays: 12 - 13;
Vertebrae: 24. Body color transparent, a few melanophores on the brain membranes; 1-8 stellate melanophores behind the eye but not always present; depth 4.20-4.50 in SL. Deciduous scales. Long, slender tail 3.25-3.80 in SL, depth 3.35-4.05 in head. High fins, longest dorsal spine 6.85-9.40 in SL; longest soft dorsal ray 5.00-5.90 in SL. Longest anal rays 4.75-5.65 in SL.
Found in corals and coral debris of ledges (Ref. 10632), also in clear coastal reefs with mixed algae (Ref. 48635). Comes out at night only, usually seen drifting above sand patches (Ref. 48635).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing during courtship and spawning (Ref. 205).
Randall, J.E. and C.L. Smith, 1988. Two new species and a new genus of cardinalfishes (Perciformes: Apogonidae) from Rapa, South Pacific Ocean. Am. Mus. Novit. (2926):1-9. (Ref. 10632)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 24.6 - 28.8, mean 27.5 (based on 140 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00276 - 0.01508), b=3.19 (2.99 - 3.39), 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. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .