分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Aptychotrema: Greek, a = without + Greek, ptyx, ptychos = fold + Greek, trema = hole (Ref. 45335).
Eponymy: These species and genus are named after the location where the holotypes were caught – the Gulf of St Vincent, near Kangaroo Island, South Australia. (Ref. 128868), visit book page.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の; 深さの範囲 ? - 125 m (Ref. 114953). Temperate; 19°S - 40°S, 112°E - 147°E (Ref. 114953)
Eastern Indian Ocean: endemic to western and southern Australia.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 84.0 cm TL オス/雌雄の選別がない; (Ref. 114953)
Occurs near the shore and on the continental shelf from coastal fringe. Common on sandy beaches and seagrass beds (Ref. 006871, Ref. 114953). Mainly feeds on decapod crustaceans and small bony fishes. Females produces litters up to 16 pups. Maturity size for males at ca. 65 cm TL (Ref. 114953). Juveniles are caught with seines.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 16.3 - 26.7, mean 18.3 °C (based on 218 cells).
系統多様性指数 (参照
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00264 - 0.01991), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Assuming fecundity<100).
漁業の脆弱性 (Ref.
59153): Moderate to high vulnerability (54 of 100).
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