Predictions & Data for this entry
| Model: abj | climate: A | migrate: Mp | phylum: |
| COMPLETE = 2.7 | ecozone: TPa | food: biO, piCi, piCvf | class: |
| MRE = 0.027 | habitat: biFr | gender: D | order: |
| SMSE = 0.001 | embryo: Fnf | reprod: O | family: |
Zero-variate data
| Data | Observed | Predicted | (RE) | Unit | Description | Reference |
|---|---|---|---|---|---|---|
| ab | 7 | 7.453 | (0.06478) | d | age at birth | guess |
| am | 2372 | 2372 | (0.0001751) | d | life span | guess |
| Lp | 30 | 31.2 | (0.04012) | cm | std length at puberty | guess |
| Li | 65 | 67.46 | (0.03783) | cm | ultimate std length | fishbase |
| Wwb | 0.0018 | 0.001726 | (0.04122) | g | wet weight at birth | guess |
| Wwp | 252.6 | 251.1 | (0.006115) | g | wet weight at puberty | guess |
| Wwi | 2500 | 2537 | (0.01467) | g | ultimate wet weight | fishbase |
| Ri | 76.95 | 75.5 | (0.01881) | #/d | max reprod rate | fishbase |
Uni- and bivariate data
| Data | Figure | Independent variable | Dependent variable | (RE) | Reference |
|---|---|---|---|---|---|
| tL | ![]() | time since birth | std length | (0.02139) | IkonOgbe2015 |
| tL1 | ![]() | time since birth | total length | (0.08648) | EkpoUdoh2013, Nawa1985 |
Pseudo-data at Tref = 20°C
| Data | Generalised animal | Chrysichthys nigrodigitatus | Unit | Description |
|---|---|---|---|---|
| v | 0.02 | 0.02487 | cm/d | energy conductance |
| p_M | 18 | 28.33 | J/d.cm^3 | vol-spec som maint |
| k_J | 0.002 | 0.002 | 1/d | maturity maint rate coefficient |
| k | 0.3 | 0.3682 | - | maintenance ratio |
| kap | 0.8 | 0.9832 | - | allocation fraction to soma |
| kap_G | 0.8 | 0.8021 | - | growth efficiency |
| kap_R | 0.95 | 0.95 | - | reproduction efficiency |
Discussion
- males are assumed not to differ from females
- age estimates had to reduced with 0.5 yr to arrive at a natural fit with tL data
Facts
- length-weight: Ww in g = 0.01072*(TL in cm)^2.96 (Ref: fishbase)
Bibliography

