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Cybium,
Revue
Internationale dIchtyologie |
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Cyprinodon esconditus, a new pupfish from Laguna Chichancanab, Yucatan, Mexico (Cyprinodontidae) Ulrike STRECKER (1) (1) Zoologisches
Institut und Zoologisches Museum, Universität Hamburg, Martin-Luther-King-Platz
3, 20146 Hamburg, GERMANY. Abstract.
- Cyprinodon esconditus, new species, belongs to the Cyprinodon
species flock from Laguna Chichancanab, Yucatán, Mexico. The flock
now consists of six species, which are hypothesized to have evolved sympatrically
in the lake during the last 8,000 years. Cyprinodon esconditus
is similar in meristic counts and overall shape and coloration to the
other members of the flock. It differs in having a smaller eye, and shorter
predorsal and prepelvic lengths. Also, the number of premaxillary teeth
differs from that in the other members of the species flock: they are
more numerous than in C. beltrani, C. maya, C. verecundus and C.
labiosus but fewer than in C. simus. |
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