Ecology of Pycnochromis dimidiatus
 
Main Ref. Masuda, H. and G.R. Allen, 1993
Remarks Adults inhabit lagoon and seaward reefs. Abundant, in large aggregations over reef tops and upper edges of slopes (Ref. 9710). Usually seen solitary in reefs, staying close to the substrate in depths of about 10 m (Ref. 48636). Diurnal species (Ref. 52881,120737). Recorded as having been or being farmed in rice fields (Ref. 119549).

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
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Pycnochromis dimidiatus may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref. Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004
Special habitats Coral Reefs: reef slope/drop-offs; lagoons;
Special habitats Ref. Nguyen, N.T. and V.Q. Nguyen, 2006

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Masuda, H. and G.R. Allen, 1993
Feeding habit selective plankton feeding
Feeding habit Ref. Masuda, H. and G.R. Allen, 1993
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.68 0.30 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
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