Table 1 Number of increments at different growth stages of cultured cephalopods. (28‒30 °C)
Increments | Age (days) | Sepioteuthis lessoniana | Sepia pharaonis | Sepiella inermis | |||
|---|---|---|---|---|---|---|---|
Mean | SE | Mean | SE | Mean | SE | ||
Hatchling number of increments | 0 | 5.1 | 0.9 | 7.6 | 0.5 | 5.8 | 0.4 |
Difference of number of increments from age | Entire | 25.1 | 5.5 | 9.6 | 1.2 | 5.1 | 3.2 |
< 60 | 6.1 | 0.5 | 5.6 | 0.4 | 3.8 | 0.8 | |
> 60 | 39.6 | 5.8 | 11.7 | 1.6 | 11.4 | 4.3 | |
Difference of number of increments from age (hatchling excluded) | Entire | 20.8 | 5.4 | 2.4 | 1.2 | 11.7 | 3.2 |
< 60 | 1.1 | 0.6 | 1.7 | 0.7 | 2.4 | 0.8 | |
> 60 | 33.3 | 5.7 | 4.1 | 1.6 | 17.3 | 4.3 | |
Daily increment formation rate (increment/day) | Entire | 0.9 | 0.1 | 1.1 | 0.1 | 1.0 | 0.1 |
< 60 | 1.0 | 0.1 | 1.0 | 0.1 | 0.9 | 0.1 | |
> 60 | 0.8 | 0.2 | 1.1 | 0.1 | 1.0 | 0.1 | |