Zearaja nasuta, New Zealand rough skate : fisheries

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  Rajidae
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Zearaja nasuta (Müller & Henle, 1841)

New Zealand rough skate

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Zearaja nasuta AquaMaps Data sources: GBIF OBIS

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Image of Zearaja nasuta (New Zealand rough skate)

Zearaja nasuta
Picture by Duffy, C.

New Zealand country information

Common names: Rough skate, Uku
Occurrence: endemic
Salinity: marine
Abundance: common (usually seen) | Ref: Cox, G. and M. Francis, 1997
Importance: commercial | Ref: Cox, G. and M. Francis, 1997
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Most common New Zealand skate (Ref. 26346). Occurs throughout the country (Ref. 9258) and usually found in coastal waters (Ref. 9258). Found in Chathams Island (Ref. 45493) and off the east coast of South Island (Ref. 58461). Large numbers caught in commercial trawls and the wings are sold locally or exported to Europe, especially France (Ref. 26346). Voucher specimen(s) held at the NMNZ (Ref. 5755). Also Ref. 6871, 9258.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Cox, G. and M. Francis, 1997
National Database:

Common names from other countries

Rough skate, Brown rough skate, Raya áspera neozelandesa, ... more

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
More on authors: Müller & Henle.

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

समुद्री ड़िमरसल; गहराई सीमा 10 - 1500 m (Ref. 26346). Temperate

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Southwest Pacific: endemic to New Zealand.

Length at first maturity / आकार / वज़न / Age

Maturity: L_m 59.0 range ? - ? cm
Max length : 118 cm TL पुल्लिंग / अलिंग; (Ref. 26346); common length : 62.0 cm TL पुल्लिंग / अलिंग; (Ref. 9258); अधिकतम सूचित उम्र: 9 वर्षो (Ref. 47618)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

Brown dorsally, mottled with white and black spots, and a large dark blotch on each wing; white ventrally (Ref. 26346).

Inhabit the continental shelf and upper slope (Ref. 26346); usually in coastal waters (Ref. 9258). Found partially buried in sand (Ref. 26346). Feed on fish, shellfish, crabs, and worms (Ref. 114953, 26346). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 10.2-12.7 cm long and 6.3-8.3 cm wide (Ref. 41249, 41308).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Young hatching at about 18-20 cm (Ref. 26346). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).

Main reference Upload your references | संदर्भ | संयोजक : McEachran, John | सहयोगीयो

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 22 June 2017

CITES (Ref. 131153)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

मात्स्यिकी: व्यापारिक

FAO(Publication : search) | FishSource | Sea Around Us

अधिक जानकारी

Trophic ecology
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Ecology
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Population dynamics
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Length-weight rel.
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Life cycle
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References
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साधन

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इंटरनेट स्रोत

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Estimates based on models

Preferred temperature (Ref. 115969): 7.4 - 12.6, mean 9.2 (based on 95 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.57 se; based on food items.

लौटाव (Ref. 120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): High vulnerability (59 of 100).

Climate Vulnerability (Ref. 125649): High to very high vulnerability (70 of 100).

Price category (Ref. 80766): Medium.