Ecology of Symphodus roissali
 
Main Ref. Quignard, J.-P. and A. Pras, 1986
Remarks Found mainly near rocks, also in eel-grass beds. During summer often close to the shore among small rocks. Mainly solitary. Nest of seaweed built by male. Feeds on molluscs, bivalves, gastropods, shrimps, sea-urchins and hydroids.

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 Symphodus roissali may be found.

Habitat

Substrate : rocky;
Substrate Ref.
Special habitats Beds: sea grass;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Quignard, J.-P. and A. Pras, 1986
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Quignard, J.-P. and A. Pras, 1986
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.47 0.44 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Kalinina, E.M., 1963
(e.g. 346)
(e.g. oophagy)
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