Common names from other countries
Teleostei (teleosts) >
Kurtiformes (Nurseryfishes, cardinalfishes.) >
Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Apogon: Greek, a = without + Greek pogon = chin, beard (Ref. 45335); seminigracaudus: Named for the black pigment on the lower half of the caudal fin..
More on author: Greenfield.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 1 - 30 m (Ref. 90102). Tropical
Western Pacific: Japan south to Indonesia east to Fiji.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 90102)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. Characterized by having dorsal fin rays VI-I, 9; anal fin rays II,8; pectoral fin rays 14; pelvic fin rays I, 5; pored lateral line scales 24; predorsal scales 6; circumpeduncular scales 12 (Ref. 93839). Further characterized by semi-transparent red color; caudal peduncle with broad blackish stripe midlaterally, extending onto lower half of caudal fin; greatest depth of body 2.8-3.1 in SL (Ref. 90102).
Solitary and secretive, found in patch or fringing reefs near shore, often in silty conditions (Ref 90102).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Greenfield, D.W., 2007. Apogon seminigracaudus, a new cardinalfish species previously misidentified as Apogon fuscus (Teleostei: Apogonidae). Proc. Calif. Acad. Sci. 58(17):361-366. (Ref. 75875)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
115969): 24.8 - 29.3, mean 28.6 (based on 1632 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00690 - 0.03171), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±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).