Y
Table 11
Q)
Some Respiratory Properties of Blood in Representative Air-Breathing Fishesa
Hemo- Hema0 2
Standard Brifferglobin
tocrit capacity
Bohr
Root Haldaiie bicar- ing caSpecies
(%I
(%) (vol. %)
Ptoat PH.
effect
effect
effect
bonate pacity
Reference
Electrophorus
Electrophorus
Lepidosiren d
(juvenile)
Lepidosirend
(adult)
Il'eoceratodiisd
Hoplosternum
V y e l i i s setiger
Hoplias
malabaricus
Amia calva
Protopterid
Protopter us
Protoplerus
Symbranchusd
Protopteriise
11.2
15.9"
5.4'
6 . 6
7.2"
5.4
7 . 6
13.0
7.8"
41 . O
19.0
28.0
3<5.0
23.0
30.5
47
30.1
13.90 10.7 (7.57; 28OC) -0.680 .None 4 . 8 (30)b 33.5
19.75
15
6.80 10.8 (7.6; 23'C)
-0.234 Noiie 3 . 8 (27)
1 5 . 0
8.25
-0.293 None 1 . 5 (25)
27 2
9.00
12.5 (7.6; 18°C)
-0 620 Sone 4 . 0 (10)
11.0
18.1
1.5
Slight Sone
10.7
20
Large Large
6 . 5
20
Large Large
9.50
-0.470 None 1 (25)
20
27.3 (7.6; 23°C)
-0.335
17.30
7 . 2 (7.60; 23°C) -0.400 Sone 2 . 1 (25)
24.1
9.73 25.0 (7.64; 25OC) -0.280 None 2.30 (27) 34.2
4.7
Johattsen el al. (1968)
Willmer (1934)
1.49 Johaiiseti and
2.43 Letifant el al. (1970)
1.33 Leiifant et al. (1966)
Letifant (1967)
Willmer (1934)
Wllmer (1934)
Willmer (1934)
1.52 Lenfant and
Johanseii (1968)
Swan and Hall (1966)
Fish (1956)
2.70
Lctifant et al. (1970)
2.60 Lahari et al. (1968)
L1 %?
Myelus sdiger and Hoplias malabaricus are purely aquatic breathers iticluded for comparison.
* Calculated from true plasma.
c Derived from O2 capacity using 0 2 combinitig power of 1.25 ml O2/g Hb.
Maximum values of Hb, hematocrit, and 0 9 capacity.
Average given by authors.
F