. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. c Figure 24. Face bones of the neon tetras. Circumorbital bones represented by plus-sign (^) pattern. Lateral view, left side. A. Paracheirodon axelrodl. SL mm, USNM 216910. B. Paracheirodon innesi. SL mm, MCZ 52156. C. Parach- eirodon simulans. SL mm, USNM 216738, specimens available are aquarium raised and are not analyzed statistically; never- theless, we report SL and tooth formula here for comparison with wild-caught ju- veniles: SL mm, 79977; SL mm, 57655; SL mm, 68755; all USNM 216
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. c Figure 24. Face bones of the neon tetras. Circumorbital bones represented by plus-sign (^) pattern. Lateral view, left side. A. Paracheirodon axelrodl. SL mm, USNM 216910. B. Paracheirodon innesi. SL mm, MCZ 52156. C. Parach- eirodon simulans. SL mm, USNM 216738, specimens available are aquarium raised and are not analyzed statistically; never- theless, we report SL and tooth formula here for comparison with wild-caught ju- veniles: SL mm, 79977; SL mm, 57655; SL mm, 68755; all USNM 216736. The degree of variability of these three specimens may be the result of their artificial diet. Nevertheless, the "adult" tooth configuration may be reached at about SL 13 to 14 mm. A more precise statement is not possible since we have no wild-caught adults. We cannot describe the "adult" configuration with certainty but only estimate it from the samples at Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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