Actinopteri (ray-finned fishes) > Kurtiformes
(Nurseryfishes, cardinalfishes.) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: .monospilus: Name from Greek words 'mono' for one and 'spilos' for spot, referring to a single white spot present in life; noun in apposition. More on authors: Fraser, Randall & Allen.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 2 - 41 m (Ref. 58519), usually - m (Ref. ). Tropical; 0°C -
Indo-Pacific: Philippines, Indonesia, Papua New Guinea, and Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL male/unsexed; (Ref. 58519)
Morphology | Morphometrics
soft rays: 8;
Vertebrae: 24. This species is characterized by having 26-28 rudiments + 19-21 lower arch developed gill rakers; roof of mouth and portions of gill arches darkish; a whitish spot behind posterior base of second dorsal fin (Ref. 58519).
Nocturnal species which inhabits coral reef (Ref. 75154). Most specimens were collected from deeper waters (Ref. 58519). In pairs or groups (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fraser, T.H., J.E. Randall and G.R. Allen, 2002. Clarification of the cardinalfishes (Apogonidae) previoulsly confused with Apogon moluccensis Valenciennes, with a description of a related new species. Raffles Bull. Zool. 50(1):175-184. (Ref. 58519)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25.2 - 28.9, mean 27.9 °C (based on 364 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00551 - 0.03009), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (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 = 158 [89, 292] mg/100g ; Iron = 0.921 [0.585, 1.686] mg/100g ; Protein = 19 [18, 20] % ; Omega3 = 0.168 [0.096, 0.294] g/100g ; Selenium = 23.6 [11.5, 47.8] μg/100g ; VitaminA = 83 [26, 272] μg/100g ; Zinc = 1.61 [1.05, 2.46] mg/100g (wet weight);