Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: cheni: Named for Jen-Ping Chen in recognition to his studies on Apogonidae of Taiwan.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 70 - 100 m (Ref. 31450). Temperate
Northwest Pacific: Japan and Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm SL male/unsexed; (Ref. 31450)
soft rays: 8;
Vertebrae: 24. Reddish-scarlet body; all fins deep reddish; 2 dusky, narrow stripes (reddish-brown in life), dorso- and midlateral. Upper part of first dorsal blackish; a small black spot between second dorsal spine and pectoral fin base. Center of caudal fin base with a black spot as large as pupil or slightly larger. Five predorsal scales. Preopercular ridge entire, weakly serrated edge. Body depth 2.5-2.6 in SL (Ref. 31450).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
Hayashi, M., 1990. Two new cardinalfish (Apogonidae: genus Apogon) from the Indo-west Pacific. Sci. Rep. Yokosuka City Mus. 38:7-18. (Ref. 31450)
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
): 14.5 - 23.4, mean 18.7 (based on 14 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00498 - 0.02415), b=3.11 (2.92 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±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 (16 of 100) .