Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: Phaeoptyx: Greek, phaios = dark + Gree, ptyx, -ikos = fold (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 5 - 60 m (Ref. 9626), usually 5 - 20 m (Ref. 9626). Tropical; - 9°N
Western Central Atlantic: southern Florida (USA), Bahamas, and northeastern Gulf of Mexico to Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm TL male/unsexed; (Ref. 7251)
Occurs in coral reefs and rocky bottoms, frequently inhabiting cylindrical sponges like Verongia fistularis, Callyspongia plicifera, and Callyspongia vaginalis (Ref. 9626).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 24 - 28, mean 26.6 (based on 164 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00480 - 0.02286), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (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) .