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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.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu ? - 125 m (Ref. 114953). Temperate; 19°S - 40°S, 112°E - 147°E (Ref. 114953)
Eastern Indian Ocean: endemic to western and southern Australia.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 84.0 cm TL con đực/không giới tính; (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.
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Các công cụ
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Estimates based on models
Preferred temperature (Ref.
123201): 16.3 - 26.7, mean 18.3 °C (based on 218 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00267 - 0.01964), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).