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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Apogon: Greek, a = without + Greek pogon = chin, beard (Ref. 45335). More on author: Snyder.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 1 - 48 m (Ref. 58302). Tropical

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.0 cm SL male/unsexed; (Ref. 40822)

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 8-9; Anal spines: 2; Anal soft rays: 8. Differs from other members of the A. erythrinus complex by having the following characteristics: from all others by having a much longer second dorsal fin spine, reaching to at least the base of third ray of second dorsal fin when depressed (spine in other species do not reach third ray); from A. indicus by having 14 pectoral fin rays (versus 13, rarely 12 or 14), and by lacking pigment on the dorsal surface of the caudal peduncle (present in A. indicus); from A. marquesensis by lacking scattered chromatophores on sides of caudal peduncle that extend anteriorly as a band from caudal fin base to vertical from ends of dorsal and anal fin rays (pigment extends forward as a band in A. marquesensis); from A. susanae by having pigment present on scale edges at front of second dorsal fin and sometimes along its base and scattered chromatophores on caudal fin base (absent in A. susanae) (Ref. 40822).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Eastern Central Pacific: known only from the Hawaiian Islands and Johnston Island. Reports of occurrence in other Indo-West Pacific countries are questionable.

Found in shallow water and observed to be active only at night, near the bottom, and never far from its shelter (Ref. 27665). Benthopelagic (Ref. 58302).

Main reference Upload your references | References | Coordinator | Collaborators

Greenfield, D.W., 2001. Revision of the Apogon erythrinus complex (Teleostei: Apogonidae). Copeia 2001(2):459-472.

IUCN Red List Status (Ref. 90363)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01263 (-0.15731 - 0.18256), b=3.15 (3.05 - 3.24), based on LWR estimates for this family-BS (Ref. 93245).

Trophic Level (Ref. 69278): 3.8 ±0.59 se; Based on food items.

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (tmax=0.3 (120 days)).

Vulnerability (Ref. 59153): Low vulnerability (10 of 100) .

Price category (Ref. 80766): High.

Apogon erythrinus Snyder, 1904