Ecology Summary - Diademichthys lineatus

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Main Ref.	Sakashita, H., 1992
Remarks	The association od D. lineatus with Diadema is not obligatory, so Diadema may not be essential for the adult fish, but juveniles use the host for shelter and food and it may be difficult for them to survive without Diadema. The fish does not appear to be beneficial or harmful to its host. It eats only a small quantity of tube feet and the damage inflicted on Diadema is not severe. Females have a narrower and longer snout which is suitable for taking small parts from animals. Consequently, they eat more shrimp eggs and gills of bivalves Males eat more tube feet of sea urchins (Ref. 33619).

Main Ref.

Sakashita, H., 1992

Remarks

The association od D. lineatus with Diadema is not obligatory, so Diadema may not be essential for the adult fish, but juveniles use the host for shelter and food and it may be difficult for them to survive without Diadema. The fish does not appear to be beneficial or harmful to its host. It eats only a small quantity of tube feet and the damage inflicted on Diadema is not severe. Females have a narrower and longer snout which is suitable for taking small parts from animals. Consequently, they eat more shrimp eggs and gills of bivalves Males eat more tube feet of sea urchins (Ref. 33619).

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 Diademichthys lineatus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	Coral Reefs;
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.	Sakashita, H., 1992
Feeding habit	variable
Feeding habit Ref.

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	3.09	0.20			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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