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Kurtiformes (Nurseryfishes, cardinalfishes.) >
Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Siphamia: A Swazi word, siphama, for a fish; brevilux: The species is named brevilux (Latin: “short-light”) with reference to the length of its light organ,
which is the shortest for the genus and an essential character for separating this species from its nearest relatives (Ref. 90035).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; djupintervall ? - 31 m (Ref. 90035). Tropical
Western Pacific: Papua New Guinea, Madang Province, off Nagada Harbour, lagoon, Tripod Reef (Ref. 90035).
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 2.2 cm SL (female)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 8; Mjukstrålar i ryggfenan (totalt) : 9; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 8. Dorsal rays VII+I,9; anal rays II,8; pectoral rays 12 (rarely 11 or 13); tubed lateral-line scales 0-2; median predorsal scales 5 (one specimen); total gill rakers 3-5 + 9-11 = 13-15; developed gill rakers 1-2 + 8-10 = 9-11; gill rakers on ceratobranchial 7. Body depth 2.3-2.5 in SL and body width 2.1-2.9 in the depth; eye diameter 2.5-3.05 in head length; first dorsal spine 3.1-7.2 in second spine; second dorsal spine 4.2-5.9, spine of second dorsal fin 3.6-4.4, and second anal spine 3.7-5.4, all in head length; pectoral-fin length 3.9-4.6 and pelvic-fin length 4.4-4.9 in SL; caudal-peduncle length 1.3-1.65 in distance between pelvic spine insertion and anal-fin origin. Preopercular edge weakly serrate around angle, with 2-13 (usually 3-7) minute serrations; preopercular ridge smooth. Tip of light organ on each side of tongue bound by membrane. (Ref. 90035).
Forms small groups in Diadema sea urchins (Ref 90102).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Gon, O. and G.R. Allen, 2012. Revision of the Indo-Pacific cardinalfish genus Siphamia (Perciformes: Apogonidae). Zootaxa 3294:1-84. (Ref. 90035)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00680 - 0.03071), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
