Philippines country information

Common names: Pagi
Occurrence: misidentification
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Outside distributional range (Ref. 114953). This species was not mentioned in Herre 1953 (Ref. 280), Its form similar to that from Japan and Taiwan, but differs in denticle morphology. Relationship with similar rays in the South China Sea needs to be established (Ref. 47737).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016
National Database:

Common names from other countries

Pastenague du Pacifique, Raya látigo del Pacífico, Red stingray, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Dasyatinae
Etymology: More on authors: Müller & Henle.

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

seewasser; brackwasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 10 - 50 m (Ref. 114953). Subtropical; 43°N - 23°N (Ref. 114953)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Northwest Pacific: central China to northern Japan.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 44.0 range ? - ? cm
Max length : 200 cm TL Männchen/unbestimmt; (Ref. 637); common length : 100.0 cm TL Männchen/unbestimmt; (Ref. 637); max. veröff. Gewicht: 10.7 kg (Ref. 40637)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Disc rhomboid, anterior margin straight, posterior margin convex. Snout triangular and slightly produced. dorsal keel present on tail. Adults with small spines on disc and posterior part of tail. Brown dorsally and some with orangish pectoral fin margins, in front of eyes, behind spiracles, on the sides of the tail just anterior to the sting. Ventrum orangish red.

Found in coral reefs and estuarine areas, on sand and mud bottoms (Ref. 12951, 11230). Feeds on small fishes and crustaceans (Ref. 9840). Ovoviviparous with litters of only 1 pup (Ref. 114953) while earlier estimates indicated production of up to 10 in a litter (Ref. 12951). Caught occasionally by bottom trawl fisheries operating inshore. Utilized for its meat but of limited value due to its small size (Ref.58048). Served in 'miso' soup, hard boiled with seasonings, or for 'kamaboko' material (Ref. 637).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | Partner

Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)

IUCN Rote Liste Status (Ref. 130435)

Gefährdung zunehmend (NT) (A2bd); Date assessed: 27 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Venomous (Ref. 637)

Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Kommerziell

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

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Trophic ecology
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Ecology
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Population dynamics
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Life cycle
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Anatomy
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Physiology
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Visual pigment(s)
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Genetics
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Zusammenfassung | Point data | Namen | Photos

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Estimates based on models

Preferred temperature (Ref. 115969): 21.4 - 29, mean 28.1 (based on 510 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.8 ±0.58 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.1; Fec=1).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Climate Vulnerability (Ref. 125649): Very high vulnerability (87 of 100).

Preiskategorie (Ref. 80766): Medium.

Hemitrygon akajei (Müller & Henle, 1841)