Twinspot cardinalfish (Archamia biguttata)

Scientific name: Archamia biguttata Lachner, 1951

The Twinspot cardinalfish (Archamia biguttata) is a marine fish of the family Apogonidae. Native range: Western Pacific, Sumatra to Samoa, north to the Ryukyu Islands; Palau and Mariana Islands in Micronesia.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 16 - 17. Diagnosis: Dorsal rays VII,9; anal rays 11,14-19 (usually 16-18); pectoral rays 14 (rarely 13 or 15). Lateral-line scales 25 + 3-5. Median predorsal scales 5-6 (usually 6). Gill rakers 5-7 + 15-18 (total, 20-24). Body depth 2.3-2.85 in SL, and body width 2.3-2.7 in the depth; eye diameter 2.7-3.1 in head length; first dorsal spine 2.0-2.9 in second spine; second dorsal spine 2.1-2.6, and third dorsal spine 2.2-2.7 in head length; spine of second dorsal fin 2.3-2.6, and second anal spine 2.5-2.9 in head length; pelvic-fin length 4.3-5.3, and caudal-peduncle length 4.9-5.9 in SL. Distance from insertion of pelvic spine to anal-fin origin 4.2-5.5 in SL. Posterior preopercular edge fully serrate or nearly so; serrae on upper part usually minute, rarely absent; ventral preopercular edge serrate on posterior two-thirds. Scaly sheath along anal-fin base well developed (

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Archamia biguttata
Family
Apogonidae (Cardinalfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
11.0
Depth range
0–33 m (0–108 ft)
Environment
Marine; reef-associated; depth range 0 - 33 m, usually 0 - 15 m
Climate
Tropical
Distribution
Western Pacific: Sumatra to Samoa, north to the Ryukyu Islands; Palau and Mariana Islands in Micronesia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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