Ecology of Hypsoblennius gentilis
 
Main Ref. Stephens, J. Jr., R. Johnson, G. Key and J. McCosker, 1970
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Hypsoblennius gentilis may be found.
Remarks Found in intertidal shallows (Ref. 11482) but restricted to deeper waters (17-26 m) near Cabo San Lucas. Inhabits bays and nearly estuarine waters. Sympatric with H. jenkinsi and H. gilberti but dominant only in newly developed and transient habitat. Moves to Zostrea beds when their transient habitats are disturbed (Ref. 56052). Territorial (Ref. 37955) particularly the males guarding eggs defending even against the females which spawned it. They exhibit a less developed gular display than H. jenkinsi which is more territorially aggressive. The two species occupy much similar areas and actively competes for space, H. gentilis more often loses to H. jenkinsi. Exhibits odd feeding behavior of hanging vertically in midwater during its feeding period (Ref. 56052). Feeds on small benthic invertebrates and algae (Ref. 37955). Predators of Hypsoblennius include Pralabrax clathartus, Pralabrax maculatofasciatus, Heterostichus rostratus, and Scorpaenichthys marmoratus. Other fishes living in the same area include: Paraclinus integripinnis, Gibbonsia elegans (Ref. 56052).

Substrate

Substrate Benthic; Hard Bottom;
Substrate Ref. Stephens, J. Jr., R. Johnson, G. Key and J. McCosker, 1970
Special habitats Beds: bivalve; Other habitats: burrows; pilings; boat hulls;
Special habitats Ref. Stephens, J. Jr., R. Johnson, G. Key and J. McCosker, 1970

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type ref
Feeding habit
Feeding habit ref
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 2.71 0.24 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Pablico, Grace Tolentino on 06.30.05
Modified by Olisa, Kristine Elaine Paz on 06.21.13
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