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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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Nuptial male; Ditch between Waldo and Gainesville, Alachua Co., FL. N. Burkhead, USGS
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Tankah Tres, Quintana Roo, Mexico
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Male, Coppahaunk Swamp, Sussex Co., VA; male, 39mm SL. N. Burkhead & R. Jenkins, courtesy Virginia Division of Game and Inland Fisheries
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Los Pinos, Quintana Roo, Mexico
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Cayenne, Cayenne, French Guiana
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Apparently, there can be only one. Sailfin MollyPoecilia latipinna Blue Springs State ParkOrange City, Volusia County Florida, USAOlympus OM-D E-M5 Mark IIOlympus 14-42mm II R LensPT-EP13 Underwater Housing, PPZR-EP02 Lens Port & 14-42mm Zoom Gear23 April 2018
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Male, Ditch west of Cedar Key, Dixie Co., FL. N. Burkhead, USGS
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Male
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Gambusia affinisWestern mosquitofishApril 2012Point Loma, San Diego, CAHTHMA Garden
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