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All Biocode files are based on field identifications to the best of the researcher’s ability at the time.
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Here is a clip of Salt Creek Pupfish swimming around and mating in Death Valley, California. Video taken be Casey Dunn, and released under a Creative Commons Attribution-Noncommercial-Share Alike license. Visit CreatureCast.org for stories, videos, photos, drawings, and animations about the unexpected world of animals.
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Distal parts of the intromittent organ of Phalloptychus januarius. A, the organ as it is normally found; b, unfolded: (a, third anal ray; b, fourth anal ray; c, fifth anal ray); c, third analy ray, 1 view. d, fifth anal ray, enlarged.
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Cyprinodon variegatus. Variegated Minnow. Male.
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Cynolebias forosus, Type. a, head from above; b, head from beneath.
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Girardinus garmani Eigenmann, new species.
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Fundulus Majalis. Mayfish. Young.
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Cynolebias bellottii. a, head of same.
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Rathbun's Killi-Fish. Fundulus rathbuni.
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Fundulus pallidus, sp. nov.. About three times natural size
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Azad Teimori, Hamid Reza Esmaeili, Zeinab Gholami, Neda Zarei, Bettina Reichenbacher
Zookeys
Figure 2.A Aphanius arakensis, holotype, male, 31.5 mm SL (ZM-CBSU 10999) B paratype, female, 31.5 mm SL (ZM-CBSU 11054).
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All Biocode files are based on field identifications to the best of the researcher’s ability at the time.
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Fundulus ocellaris Jordan and Gilbert.
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Cyprinodon variegatus. Variegated Minnow. Young.
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Zygonectes pulvereus, sp. nov.. About three times natural size
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Distal parts of the intromittent organ of Girardinus metallicus. a, Third anal ray; b, fourth anal ray; c, fifth anal ray.
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Mayfish, Fundulus majolis (L.) (male). Woods Hole.
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Cynolebias maculatus.
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Lucania goodei Jordan.
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Gambusia patruelis. Top Minnow. Female.
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Wilfredo A. Matamoros, Jacob F. Schaefer, Carmen L. Hernández, Prosanta Chakrabarty
Zookeys
Figure 2.Photographs of preserved specimens of A Profundulus kreiseri sp. n., USM 39022, holotype, 53.2 mm SL, Río Chamelecón, Honduras B Profundulus punctatus, UMMZ 194154, 47.0 mm SL, Rio Nahualete, Guatemala; and C Profundulus guatemalensis, UMMZ 190542, 43.7 mm SL, Río Maria Linda, Guatemala. The diagnostic characters of each species (A–C) are shown in D–F the white bar shows the extent of squamation on the caudal fin D Profundulus kreiseri sp. n., USM 39022, holotype (note that scales cover less than half of the caudal fin, and there are no rows of dark spots on the caudal peduncle and caudal-fin base) E Profundulus punctatus, UMMZ 194154 (note that the entire anterior half of the caudal fin is covered with scales, and rows of dark dots occur on the caudal peduncle and caudal-fin base; and F Profundulus guatemalensis, UMMZ 190542 (note that scales extend beyond the midpoint of the caudal fin, and there are no rows of dark spots on the posterior portion of the caudal peduncle and caudal-fin base).
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