Ecology Summary - Petrocephalus catostoma
生態學： Petrocephalus catostoma
 
主要參考文獻 Gosse, J.-P., 1984
附註 Occurs in shallow and muddy waters, sheltered bays, in lagoons, and swampy areas. Forms shoal. Frequency of occurence in Caprivi: occasionally in sandy streams, occasionally on rocky streams, common in shallow swamps, and common in shallow flood plains (Ref. 037065). Prefers quiet parts of rivers where there is abundant vegetation. Feeds mostly on insect larvae and other invertebrates at night. Shoals within quiet reaches of rivers and floodplains. Known to undergo upriver migration which may well be correlated with breeding. Breeds during the rainy season, possibly moving upstream to suitable sites. An unconfirmed report claims the males are territorial and build a nest (Ref. 7248). Found schooling with other species with identical electric organ discharge (EOD) waveforms (Ref. 10460).

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/瀉湖/半鹹淡水海洋
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • 洞
  • 專門地
Highighted items on the list are where Petrocephalus catostoma may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

參考文獻
Associations
Associated with
Association remarks
Parasitism

進食

攝取食物的類型 mainly animals (troph. 2.8 and up)
Feeding type Ref. Konings, A., 1990
攝取食物的習慣 hunting macrofauna (predator)
Feeding habit Ref. Konings, A., 1990
Trophic Level(s)
Estimation method 最初的樣本 不捕獲族群 附註
Troph s.e. Troph s.e.
從食物內容
從個別的食物項目 3.36 0.38 Trophic level estimated from a number of food items using a randomized resampling routine.
參考文獻
(例如 346)
(例如 oophagy)
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