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Pterapogon kauderni, Banggai cardinal fish : aquarium
> Kurtiformes (Nurseryfishes, cardinalfishes.) > Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Pterapogon:Greek, pteron = wing, fin + Greek, pogon = beard (Ref. 45335). Eponymy: Dr Walter Alexander Kaudern (1881–1942) was a Swedish ethnographer and zoologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range Ecologie
marien demersaal; diepte 0 - 16 m (Ref. 90102), usually 1 - 2 m (Ref. 9936). Tropical; 1°S - 2°S, 123°E - 124°E
Western Pacific: Apparently restricted to Banggai Islands, Indonesia. Also found in several small islands off nearby eastern Taliabu Island and Luwuk vicinity (Ref. 90102). Threatened by extinction due to collection for the aquarium trade (Ref. 27438, 35396).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm4.1 range ? - ? cm Max length : 8.6 cm TL (female); max. gepubliceerd gewicht: 0.00 g
Common around the jetty, in silty sand bottoms with seagrass (Enhalus acoroides). Associated with Diadema setosum, the long-spined sea urchins. Individuals of 2 to 60 hover directly above the urchins, with the younger ones about 2-3 cm SL staying closer to the urchins. The fish retreat among the spines when threatened. Probably feed on small benthic and planktonic crustaceans at night. Male incubates the eggs until hatching; the large egg about 2.5 mm in diameter, with the young remaining within the mouth cavity for undetermined period after hatching (Ref. 9936, 48635). Newly hatched larvae have no planktonic period (Ref. 35886). Juveniles also use anemones for protection (Ref. 45560, 48635). Has been reared in captivity (Ref. 35417).
The male takes the eggs into its mouth where these and the larvae remain until young fish of about 8mm SL are released. Distinct pairing during courtship and spawning (Ref. 205). Also Ref. 240.
Allen, G.R. and R.C. Steene, 1995. Notes on the ecology and behaviour of the Indonesian cardinalfish (Apogonidae) Pterapogon kauderni Koumans. Rev. Fr. Aquariol. 22(1-2):7-10. (Ref. 9936)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Bedreigd (EN) (B2ab(ii,iii,iv,v)); Date assessed: 01 March 2007
Fylogenetische diversiteitsindex (Ref. 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.01036 - 0.03348), b=2.93 (2.77 - 3.09), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278): 3.3 ±0.41 se; based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
