Australia country information

Common names: Deepwater dory, Deepwater oreo dory, Oreo dory
Occurrence: native
Salinity: marine
Abundance: abundant (always seen in some numbers) | Ref: May, J.L. and J.G.H. Maxwell, 1986
Importance: minor commercial | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Aquaculture: | Ref:
Regulations: restricted | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Uses: no uses
Comments: Present on the continental slope from Broken Bay (Ref. 27159) north of Sydney to about 26°S latitude in Western Australia (Ref. 27124). This is the most common oreo species off southern Australia (Ref. 26498). There is no information concerning stock structure of spiky oreos in Australian waters. Commercial fishery: The main fishing area for oreos including spiky oreos is within the South East Fishery, on the continental slope of Tasmania. There have also been significant catches of oreos taken from the Cascade Plateau by foreign vessels under developmental fishing arrangements (Ref. 27029). Oreos in general are caught exclusively by vessels using demersal otter trawl gear. Oreo aggregations tend to be located over rough ground and require the use of 'target trawling' techniques similar to those used for orange roughy. They have been caught as a bycatch of orange roughy fishing for a number of years and, in the early stages of the orange roughy fishery, were normally discarded. Development of markets for oreos has led to fishers to retain the oreo bycatch. Some fishers have targeted aggregations of oreos off southern Tasmania (Ref. 27090), especially during the closed season for orange roughy. Experienced skippers can often distinguish between orange roughy and oreos by their different acoustic target strengths on the echo sounder. Only small numbers of spiky oreos are landed in Tasmania. Landings of oreos in the South East Fishery were about 60 t per annum between 1985-86 and 1987-88. The catch retained increased considerably in 1989-90 to just over 900 t. Some oreos are caught by vessels fishing orange roughy aggregations in the Great Australian Bight Trawl Fishery. Approximately 200 t of oreos were landed from this fishery in 1988-89 but the 1989-90 catch was less than 30 t. Most of the oreo catch in the Bight is reported to be spiky oreos which are normally discarded in favour of orange roughy. Spiky oreos are usually processed into fillets and frozen for both domestic and export markets. As of 1993, approximately 50% of the oreo catch was exported, mainly to Europe and the United States fo America. The oreo 'frames' are processed into fertilizer or fishmeal and there is some interest in fish oil production from oreo waste. Resource status: As of 1993, Australian oreo stocks including spiky oreos were probably not fully fished. However, the low reproductive rate of oreos, their likely slow growth rate and their tendency to form dense aggregations may mean that there is a limited scope for expansion of this fishery.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
National Database:

Common names from other countries

Неоцит, Spikey oreodory, 菱体新海鲂, ... more

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Zeiformes (Dories) > Oreosomatidae (Oreos) > Oreosomatinae
Etymology: Neocyttus: Greek, neos = new + Greek, kyttaros, kytos = a convex cavity.

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

морской батипелагический; мигрирует в океане (Ref. 51243); пределы глубины 200 - 1240 m (Ref. 6390), usually 450 - 800 m (Ref. 30191). Deep-water; 23°S - 48°S, 81°W - 176°W

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Southeast Atlantic: off Walvis Bay, Namibia to Cape Province, South Africa. Southwest Atlantic: off Argentina. Eastern Indian Ocean: southern Australia, from about 26°S in Western Australia to Broken Bay (Ref. 7300), New South Wales. Southwest Pacific: New Zealand.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 34.0, range 29 - ? cm
Max length : 40.0 cm SL самец/пол неопределен; (Ref. 30191); наибольший вес (опубликованные данные): 2.0 kg (Ref. 6390); наибольший возраст (опубликованны данные): 100 годы (Ref. 27140)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 7; членистые (мягкие) лучи спинного плавника (общее число) : 33 - 35; колючие лучи анального плавника: 3 - 4; членистые (мягкие) лучи анального плавника: 30 - 33. Body grey, fins dark (Ref. 6548).

Inhabit continental slopes (Ref. 9563), forming large shoals over rough ground near pinnacles and canyons (Ref. 6390). Juveniles are pelagic and tend to be dispersed over smooth grounds (Ref. 6390). Feed on salps, fish, crustaceans and squid (Ref. 27230). Eggs float near the surface and larvae also inhabit surface waters (Ref. 6390).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Displays seasonally synchronised reproduction.

Основная ссылка Upload your references | ссылки | координатор : Heemstra, Phillip C. | соавторы

Karrer, C., 1990. Oreosomatidae. p. 637-640. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6545)

Статус Красного Списка МСОП (Ref. 130435)

Не определен

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

Harmless

Использование человеком

рыболовство: не имеет хозяйственного значения

FAO(рыболовство: production; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 5 - 9.7, mean 7.8 (based on 131 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5635 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01698 (0.00988 - 0.02919), b=3.01 (2.85 - 3.17), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.53 se; based on food items.

устойчивость к внешним воздействиям (Ref. 120179): очень низкий, минимальное время удвоения популяции более 14 лет (tmax=100).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (70 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (41 of 100).

Категория цены (Ref. 80766): Medium.

Neocyttus rhomboidalis Gilchrist, 1906