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 2025-2)
Threat to humans
Harmless
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