Relationships between fish brain weights and body weights for
Petrochromis orthognathus

Roland Bauchot, Monique Diagne, Roland Platel, Jean-Marc Ridet and Marie-Louise Bauchot
Université Paris 7 Laboratoire d'anatomie comparée

[n = 22]

Sort by : Body weight Brain weight SL TL Ref.

Relative brain weight graph (loading may take 2-3 min.)

Body weight
(W; g)
Brain weight
(B; mg)
Encephalization coefficients SL
(cm)
TL
(cm)
Ref
(B/W) (B/W^2/3)
7.60
68.6
9.0
 
 
 
8.40
75.2
8.95
 
 
 
9.2
106
11.5
 
 
 
10.0
85.9
8.59
 
 
 
10.1
111
11.0200
 
 
 
13.5
115
8.53
 
 
 
13.8
100
7.23
 
 
 
17.0
112
6.61
 
 
 
18.1
111
6.13
 
 
 
20.5
115
5.59
 
 
 
22.1
160
7.25
 
 
 
24.6
149
6.04
 
 
 
25.2
150
5.94
 
 
 
31.1
144
4.63
 
 
 
42.2
182
4.31
 
 
 
42.2
182
4.32
 
 13.7
 
50.0700
193
3.86
 
 
 
50.0700
194
3.87
 
 13.7
 
53.0
208
3.93
 
 
 
53.0
209
3.94
 
 14
 
53.4
204
3.82
 
 
 
53.4
204
3.82
 
 13.3
 

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