Teleostei (teleosts) >
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
Ecology
Marine; reef-associated; depth range 2 - 41 m (Ref. 58519). Tropical
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)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal 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).
Body shape (shape guide): short and / or deep; Cross section: compressed.
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. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 28.9, mean 27.9 °C (based on 364 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00567 - 0.02929), 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 ±0.4 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (Ref.
124155): Calcium = 162 [80, 270] mg/100g; Iron = 1.03 [0.59, 1.81] mg/100g; Protein = 18.5 [17.3, 19.8] %; Omega3 = 0.138 [0.074, 0.251] g/100g; Selenium = 32.8 [15.6, 65.4] μg/100g; VitaminA = 65.8 [18.7, 238.5] μg/100g; Zinc = 1.87 [1.21, 2.79] mg/100g (wet weight);