Ecology Summary - Strongylura timucu

言語:

主な参照	Randall, J.E., 1967
意見	During the day preys on small fishes and shrimps close to water surface, approaching potential prey stealthily within lunging range, but when disturbed, may leap and skitter at the surface. At night, young individuals rest close to the surface, aligned with semi-submersed leaves of marsh grass in mangroves, and when disturbed, usually sinks slowly and hides within vegetation. The resemblance to grass blades and its night-time behavior are believed to be defensive adaptations against nocturnal visually oriented predators like night herons (Ref. 40403).

主な参照

Randall, J.E., 1967

意見

During the day preys on small fishes and shrimps close to water surface, approaching potential prey stealthily within lunging range, but when disturbed, may leap and skitter at the surface. At night, young individuals rest close to the surface, aligned with semi-submersed leaves of marsh grass in mangroves, and when disturbed, usually sinks slowly and hides within vegetation. The resemblance to grass blades and its night-time behavior are believed to be defensive adaptations against nocturnal visually oriented predators like night herons (Ref. 40403).

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 Strongylura timucu may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	Coral Reefs;
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.	Randall, J.E., 1967
食性	hunting macrofauna (predator)
Feeding habit Ref.	Randall, J.E., 1967

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	4.46	0.77	4.34	0.73	Troph of juv./adults from 1 study.
個々の食物品目から	4.50	0.80			Trophic level estimated from a number of food items using a randomized resampling routine.
参照	Randall, J.E., 1967

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