1. Affonso EG, Polez VLP, Correa CF, Mazon AF, Araujo MRR, Moraes G, Rantin FT (2002) Blood parameters and metabolites in the teleost fish Colossoma macropomum exposed to sulfide or hypoxia. Comp Biochem Physiol C 133(3):375–382
2. Almeida-Val VMF, Hochachka PW (1995) Air-breathing fishes: metabolic biochemistry of the first diving vertebrates. In: Hochachka PW, Mommsen T (eds) Biochemistry and molecular biology of fishes, environmental and ecological biochemistry. Elsevier, Amsterdam, pp 45–55
3. Almeida-Val VMF, Farias IP, Silva MNP, Duncan WP (1995) Biochemical adjustments to hypoxia in Amazon Cichlids. Braz J Med Bioquem Res 28:1257–1263
4. Almeida-Val VMF, Paula-Silva MN, Duncan WP, Lopes NP, Val AL, Land S (1999) Increase of anaerobic potential during growth of an Amazonian cichlid, Astronotus ocellatus: survivorship and LDH regulation after hypoxia exposure. In: Val AL, Almeida-Val VMF (eds) Biology of tropical fishes. INPA, Manaus, pp 437–448
5. Almeida-Val VMF, Val AL, Duncan WP, Souza FCA, Paula-Silva MN, Land S (2000) Scaling effects on hypoxia tolerance in the Amazon fish Astronotus ocellatus (Perciformes: Cichlidae): contribution of tissue enzyme levels. Comp Biochem Physiol B 125(2):219–226