Chrysobrycon, Weitzman & Menezes, 1998
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publication ID |
https://doi.org/10.1590/1982-0224-2024-0077 |
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publication LSID |
lsid:zoobank.org:pub:26E8F225-8289-46F3-8335-A57A4D86AADF |
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persistent identifier |
https://treatment.plazi.org/id/C23587AA-5D37-FFEF-D891-A79C0FE6FD3C |
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treatment provided by |
Felipe |
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scientific name |
Chrysobrycon |
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Key to the species of Chrysobrycon View in CoL (modified from Vanegas-Ríos et al., 2024)
1a. Distal tips of maxillary teeth straight along their lengths .............................2
1b. Distal tips of most maxillary teeth lateroventrally curved............... C. mojicai View in CoL
2a. Terminal lateral-line tube on middle caudal-fin rays absent ........................3
2b. Terminal lateral-line tube on middle caudal-fin rays present ......................4
3a. Anal fin with 26–32 branched rays; pelvic-fin rays i,7 ................. C. hesperus View in CoL
3b. Anal fin with 33–39 branched rays; pelvic-fin rays i,6 (rarely i,7) .. C. myersi View in CoL
4a. Dentary with 8–19 teeth (mode = 14) ...........................................................5
4b. Dentary with 20–27 teeth (mode = 21) ............................................. C. yoliae View in CoL
5a. Humeral blotch vertically bordered posteriorly (partly or completely) by variedly developed depigmented or clear area; posterior portion of maxilla not reaching or surpassing vertical through anterior border of eye when mouth closed............................................................................................................................6
5b. Humeral blotch vertically bordered posteriorly by pigmented area consisting of dark chromatophores often forming continuous set with longitudinal band on body flanks; posterior portion of maxilla reaching or surpassing vertical through anterior border of eye when mouth closed................................................................ 7
6a. Total number of gill rakers on first branchial arch 17–20 (mode = 18); 2–4 maxillary teeth (mode = 3)................................................................... C. calamar
6b. Total number of gill rakers on first branchial arch 14 – 16 (mode = 15); 4–7 maxillary teeth (mode = 5).............................................................. C. ximango
7a. Maxilla with 1–3 teeth (mode = 1)............................................................ C. guahibo View in CoL
7b. Maxilla with 6–15 teeth (mode = 11) ........................................................... C. eliasi View in CoL
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