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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 / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
সামুদ্রিক তলদেশ বিহারী; গভীরতার পরিসীমা 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).
Length at first maturity / আকৃতি / ওজন / Age
পরিপক্কতা : Lm 4.1 range ? - ? cm
Max length : 8.6 cm TL (female); সবের্াচ্চ প্রকাশিত ওজন : 0.00 g
পৃষ্ঠীয় কাঁটা (মোট ) : 8; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 14; পায়ূ কাঁটা : 2; পায়ূর নরম পাখনা্তুন্ড: 13.
Body shape (shape guide): short and / or deep; Cross section: compressed.
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
মৎস্য: আকর্ষণবিহীণ ; মৎস্যাধার / এ্যাকুয়ারিয়াম : বাণিজ্যিক
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (সূত্র
82804): PD
50 = 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).
ট্রফিক পর্যায়ে (সূত্র
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.
স্থিতিস্থাপক (সূত্র
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (tm<1; Fec=12-40; assuming multiple spawning).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
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