Ecology Summary - Ruvettus pretiosus

言語:

主な参照	Nakamura, I., 1995
意見	Usually over the continental shelf, sometimes in oceanic waters down to 800 m (Ref. 9302). Usually solitary or in pairs near the bottom (Ref. 6181). Migrates far offshore (Ref. 26139). Feeds on fish, crustaceans and squid (Ref. 6181). The peculiar wooden 'palu' or Ruvettus hook is used to catch this species in south central Pacific (Ref. 6181). The flesh is very oily, with purgative properties, if eaten much (Ref. 6181). Feeds on fish, cephalopods and crustaceans (Ref. 6181).

主な参照

Nakamura, I., 1995

意見

Usually over the continental shelf, sometimes in oceanic waters down to 800 m (Ref. 9302). Usually solitary or in pairs near the bottom (Ref. 6181). Migrates far offshore (Ref. 26139). Feeds on fish, crustaceans and squid (Ref. 6181). The peculiar wooden 'palu' or Ruvettus hook is used to catch this species in south central Pacific (Ref. 6181). The flesh is very oily, with purgative properties, if eaten much (Ref. 6181). Feeds on fish, cephalopods and crustaceans (Ref. 6181).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	河口/潟/汽水性の海 mangroves marshes/swamps	rivers/streams lakes/ponds 洞窟もっぱら

Highighted items on the list are where Ruvettus pretiosus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

参照
Associations
Associated with
Association remarks
Parasitism

供給

供給様式	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Sierra, L.M., R. Claro and O.A. Popova, 1994
食性	hunting macrofauna (predator)
Feeding habit Ref.

Trophic Level(s)

Estimation method	原本のサンプル		Unfished population		意見
Estimation method	Troph	s.e.	Troph	s.e.	意見
餌料組成から
個々の食物品目から	4.18	0.57			Trophic level estimated from a number of food items using a randomized resampling routine.
参照

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