Teleostei (teleosts) >
Atheriniformes (Silversides) >
Atherinopsidae (Neotropical silversides) > Menidiinae
Etymology: Chirostoma: Greek, cheir = hand + Greek, stoma = mouth (Ref. 45335).
More on author: Meek.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical; 21°N - 19°N
North America: endemic to the Lerma River basin, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. )
Migratory behaviour is undetermined (Ref. 126106).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Anonymous, 1994. Atlas pesquero de México. Instituto Nacional de la Pesca. 234 p. (Ref. 26550)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
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Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00631 (0.00318 - 0.01253), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophic level (Ref. 69278) |
3.2 ±0.2 se; based on size and trophs of closest relatives |
|
Generation time |
3.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3). |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |