Ecology Summary - Pearsonothuria graeffei
Ecologia de Pearsonothuria graeffei
 
Ref. principal Conand, C., 1998
Notas A coral reef species rarely found in depths of more than 25 m; mostly found on reef slopes close to the coast (Ref. 122, 85218); abundant on corals mixed with calcareous red algae. Population densities generally less than 0.005 per square meter (Ref. 122). In times of considerable irritation, this animal ejects Cuvierian tubules (Ref. 85218). Feeds on the surface of coral colonies and sponges (Ref. 101700).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • zona supra-litoral
  • zona litorânea
  • zona sublitoral
  • epipelágico
  • mesopelágico
  • epipelágico
  • abissalpelágico
  • hadopelágico
  • Estuários/lagunas/áreas estuarinas
  • manguezais
  • pântanos/brejos
  • rios/córregos
  • lagos/lagoas
  • Cavernas
  • exclusivamente
Highighted items on the list are where Pearsonothuria graeffei may be found.

Habitat

Substrato Benthic: mobile; megabenthos; Soft Bottom: sand;: rubble;
Substrato Ref. Schoppe, S., 2000
Habitats especiais Coral Reefs: reef slope/drop-offs;
Habitats especiais Ref. Kerr, A.M., K. Netchy and A.M. Gawel, 2006

Associações

Ref. Conand, C., 1998
Associações
Associada com
Comentários sobre associação
Parasitismo

Alimentação

Tipo de alimentação
Tipo de alimentação Ref.
Hábito alimentar browsing on substrate
Hábito de alimentação Ref. Roberts, D., A. Gebruk, V. Levin and B.A.D. Manship, 2003

Trophic Level(s)

Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta
Dos itens alimentares individuais 3.66 0.11 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
Ref. [ e.g. 3742]
Glossário [ e.g. cnidaria]
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