Actinopteri (ray-finned fishes) > Kurtiformes
(Nurseryfishes, cardinalfishes.) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: Phaeoptyx: Greek, phaios = dark + Gree, ptyx, -ikos = fold (Ref. 45335). More on author: Poey.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 13 - 50 m (Ref. 9626), usually - m (Ref. ). Tropical; 0°C - ; 32°N - 23°S
Western Atlantic: Florida, USA and Bermuda southward through northeastern Gulf of Mexico and Bahamas to Brazil. Eastern Atlantic: Gulf of Guinea (Ref. 7321), Ascension I. (Ref. 98447)..
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 26938)
Found on coral, gravel, or shell bottoms (Ref. 9626). Found near open basket stars at night (Ref. 9710).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mouthbrooders (Ref. 240, 58878). 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. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 24.6 - 28, mean 27.1 °C (based on 164 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00732 - 0.01975), b=3.17 (3.03 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±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) .
Nutrients (Ref. 124155
): Calcium = 166 [96, 389] mg/100g ; Iron = 1 [1, 2] mg/100g ; Protein = 19.3 [18.3, 20.3] % ; Omega3 = 0.187 [0.116, 0.309] g/100g ; Selenium = 27.7 [14.2, 51.4] μg/100g ; VitaminA = 101 [36, 277] μg/100g ; Zinc = 1.83 [1.27, 2.62] mg/100g (wet weight);