w
Q,
M
Table III
Oxvgen Uptake, COI Production, and Gas Exchange Ratio for Aqriatic and Air Breathing in Representative Air-Breathing Fishes
Oxygen uptake
GO1 production
(ml/min/kg)
(ml/min/kg)
Gas exchange ratio
Aquatic/
Aquatic/
Species
Aquatic
Air Total
Air
Aquatic
Air Total
Air
Aquatic Air Total
Remarks
Reference
Prolopter ics
0.021 0.169 0.20
0.12
0.101
0.013
Lepidosireii (150 g)
0.90
0.51
1.40
1.80
1.21
0.37
A mia
0.316
1.20
1.52
0.31
1.54
0.48
0.34
1.66
2.00
0.205
1.15
0.54
1.73
Neoceratodirs
0.25
0.25
0.31
Cobitis fussilis
0.24
0.99
1.23
0.24
0.39
0.80
Lepiclosireii
0.03
0.67
0.70
0.04
Protoptarirs
0.87
0.15
2.34
4.7
0.25 0.75 Fasting, free
swimming with
access to air, 20°C
1.58 3.27
1.34
0.72 1.12 Juvenile, 18°C
2.02
3.2
4.9
0.37 1.33
1.69
2.09
3.1
0.33 0.85
0.28
20°C
0.2
1.24
18°C
20'C
20°C feeding
1.19 0.5
1.6
0.81 0.98
25"C,adult
Lenfant and
Johansen (1968)
Johansen and
Lenfant (1967)
Johansen el al. (1970)
Todd and Ebeling
Lenfant el al. (1966)
Calugareanu (1907)
Sawaya (1946)
(1966)
Smith (1'330)
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