分類 / Names
共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
(Perch-likes) > Siganidae
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
; 海 関連する礁; 深さの範囲 2 - 15 m (Ref. 90102). Tropical; 20°N - 29°S, 102°E - 174°W
Western Pacific: scarcely entering the Indo-Malayan area (except eastern Indonesia), north to Palau and Kosrae, south to northwestern Australia and Tonga (Ref. 43045). Replaced by closely related Siganus virgatus from Sulawesi and the Philippines to south India (Ref. 37816).
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL オス/雌雄の選別がない; (Ref. 48637); common length : 20.0 cm TL オス/雌雄の選別がない; (Ref. 9813)
背面の脊椎 (合計): 13; 背鰭 (合計): 10; 肛門の骨 7; 臀鰭: 9; 脊つい: 13. Body blue above, silvery white below; from nape through eye to chin a seal brown band, another from base of 4th-5th dorsal spines to just below of pectoral fin. Spines stout, pungent and venomous. Preopercular 97°-110°. Strong scales cover cheeks. Midline of thorax fully scaled; sometimes a few scales absent from pelvic ridges.
Inhabits coral-rich areas of lagoons and seaward reefs. Juveniles form schools. Pairs form at 7 cm; but these pairs continue to form loose schools, sometimes with juvenile scarids, to feed in areas being flooded by the tide. At 20 cm, isolated pairs in deep water lagoons or on drop-offs at reef-edges feed on benthic seaweeds (Ref. 9813, 48637). Anterolateral glandular grooves with venom gland (Ref. 57406). Very closely related to the blue-spotted S. virgatus (Valenciennes) and apparently hybridizes at times with it in the Indo-Malayan region (Ref. 2334).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)
CITES (Ref. 115941)
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 25.5 - 29.3, mean 28.6 (based on 1956 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00800 - 0.02383), b=3.10 (2.96 - 3.24), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
栄養段階 (Ref. 69278
): 2.0 ±0.00 se; Based on food items.
回復力 (Ref. 69278
): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153
): Low vulnerability (19 of 100) .