Rexea solandri, Silver gemfish : fisheries

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Rexea solandri (Cuvier, 1832)

Silver gemfish
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Rexea solandri   AquaMaps   Data sources: GBIF OBIS
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Image of Rexea solandri (Silver gemfish)
Rexea solandri
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Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Gempylidae (Snake mackerels)
Etymology: Rexea: Latin, rex, rego = king.
More on author: Cuvier.

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

समुद्री बेनथोपिलाजिक; औशिनोड़िरोमस (Ref. 51243); गहराई सीमा 100 - 800 m (Ref. 6181), usually 300 - 450 m (Ref. 28786). Deep-water; 25°S - 48°S, 109°E - 173°W (Ref. 6181)

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

Southwest Pacific: off southern, southwestern and southeastern Australia, Tasmania and New Zealand. Occurrence records from Madagascar and Japan need to be verified.

Length at first maturity / आकार / वज़न / Age

Maturity: Lm 65.0, range 60 - 70 cm
Max length : 110 cm SL पुल्लिंग / अलिंग; (Ref. 6181); अधिकतम प्रकाशित वज़न: 16.0 kg (Ref. 28838); अधिकतम सूचित उम्र: 16 वर्षो (Ref. 28786)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 18 - 19; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 16-19; गुदा कांटा 2; ऐनल सौफट रेज़: 13 - 16; जानवरों की रीड़ का जोड़: 36. Body entirely scaled at over 25 cm SL. Lateral line branching below the 5th to the 6th spine of the first dorsal fin. The upper branch reaches beyond the origin of the second dorsal fin, usually ending between the 8th to the 12th soft ray. The lower branch runs mid laterally, undulating above the anal-fin base. Body is bluish above, silvery below, a black blotch distally on two anterior membranes of the first dorsal fin, the rest of the fin is grayish.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Found in schools on continental shelf and slope. They are normally caught close to the sea bed but probably move into midwater at times (Ref. 28786). Juveniles are pelagic, adults also occur near the surface off Tasmania and New Zealand. Dense schools of pre-spawners migrate along the continental slope at about 400 m during winter (Ref. 9563). Feed on fish, squid and crustaceans. The flesh is of good edible quality and especially tasty when smoked. In Australia, the eastern gemfish stock has been subjected to a prolonged period of poor recruitment which started in 1989 (Ref. 28843, 28786). This event resulted in a very significant decline in the gemfish resource. In Australia, efforts are now being channeled towards the recovery of the fishery.

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

Larvae are caught in inshore waters which may indicate that gemfish move onto the shelf to spawn, or currents carry larvae in from offshore spawning grounds (Ref. 28786).

Main reference Upload your references | संदर्भ | संयोजक : Parin, Nikolay V. | सहयोगीयो

Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)

IUCN Red List Status (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

मात्स्यिकी: व्यापारिक
FAO - मात्स्यिकी: landings; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

अधिक जानकारी

संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
Electrophoreses
हैरेटिबिलटी
बीमारी
प्रक्रमण
Nutrients
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

Special reports

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इंटरनेट स्रोत

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: वर्ग, प्रजाति | DiscoverLife | ECOTOX | FAO - मात्स्यिकी: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, खोज | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 8.4 - 13.6, mean 10.4 °C (based on 52 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00193 - 0.00623), b=3.14 (2.98 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.3   ±0.66 se; based on food items.
Generation time: 5.4 (4.5 - 6.6) years. Estimated as median ln(3)/K based on 14 growth studies.
लौटाव (Ref. 120179):  माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (K=0.15-0.21; tm=3-6; tmax=16; Fec=500,000).
Prior r = 0.52, 95% CL = 0.35 - 0.79, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (65 of 100).
Price category (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 11 [4, 29] mg/100g; Iron = 0.306 [0.113, 0.902] mg/100g; Protein = 15.6 [13.2, 18.3] %; Omega3 = 0.228 [0.114, 0.465] g/100g; Selenium = 25.8 [10.5, 61.4] μg/100g; VitaminA = 15.4 [3.4, 72.8] μg/100g; Zinc = 0.291 [0.195, 0.444] mg/100g (wet weight); based on nutrient studies.