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> Osmeriformes (Freshwater smelts) > Retropinnidae (New Zealand smelts) > Retropinninae
Etymology: Retropinna: Latin, retro = backwards, on the back side + Latin, pinna = thorn (Ref. 45335).
More on author: Weber.

Environment: milieu / climate zone / depth range / distribution range Ekologi

; air tawar; payau pelagis, permukaan; potamodromous (Ref. 51243). Temperate; 10°C - 25°C (Ref. 2059)

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

Oceania: Australia's east coast from the Fritzroy River southward to at least the Shoalhaven River; throughout most of the Murray-Darling river system; and in Lake Eyre inland drainage system near Longreach, Thompson River.

Length at first maturity / Size / Weight / umur

Maturity: L_m 7.0 range ? - ? cm
Max length : 10.0 cm TL jantan/; (Ref. 5259); common length : 6.0 cm TL jantan/; (Ref. 5259); Umur maksimum dilaporkan: 2.00 Tahun (Ref. 4851)

Lives in streams, backwaters, lakes, swamps and estuaries. Occurs in brackish estuaries and inland salt lakes. Most common in slow-flowing streams and still waters, shoaling near the surface or around the cover of aquatic plants and woody debris. Forms large aggregations in open water (Ref. 44894). Feeds on aquatic insects, microcrustaceans and algae. Spawns throughout the Murray-Darling river system. Breeds between July and March (mostly in spring) (Ref. 44894). Spawning temperature is about 15 °C. Newly hatched larvae measure 4.8 mm TL on the average. Eggs are laid among aquatic vegetation and hatch in about 10 days. Sexual maturity is attained by the end of the first year (Ref. 44894). Eaten fresh or canned.

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

rujukan utama Upload your references | Acuan | Koordinator : McDowall, Robert M. | mitra

Lake, J.S., 1971. Freshwater fishes and rivers of Australia. Thomas Nelson Ltd., Australia. 61 p. (Ref. 4850)

Status IUCN Red List (Ref. 130435)

kurang bimbang (LC) ; Date assessed: 14 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

Perikanan: komersial

FAO - Publication: search | FishSource |

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Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.8 ±0.29 se; based on food items.

Generation time: 3.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Daya lenting (Ref. 120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (K=0.31; tm=1; tmax=2).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

kategori harga (Ref. 80766): Unknown.

Retropinna semoni (Weber, 1895)