生態学の Rhizoprionodon porosus
 
主な参照 Randall, J.E., 1967
意見 Common in bays and estuaries often entering rivers. Also found in offshore waters at depths of about 500 m, generally less than 100 m. Feeds mainly on small bony fishes, including wrasses, but also marine snails, squid and shrimp.

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 Rhizoprionodon porosus 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
Troph s.e. Troph s.e.
餌料組成から 3.99 0.21 Troph of juv./adults from 4 studies.
個々の食物品目から 4.00 0.66 Trophic level estimated from a number of food items using a randomized resampling routine.
参照 Gómez-Canchong, P., L. Manjarrés M., L.O. Duarte and J. Altamar, 2004
(例 346)
(例 oophagy)
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