EEB 474 Exam 4 - Leuciscidae

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1
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Notropis atherinoides

  • Leuciscidae

  • Dorsal fin origin posterior to pelvic fin origin

  • Lateral stripe fades into stippling anteriorly

  • Anal fin with concave margin when expanded

  • Dorsal fin pointed with tip of anterior ray reaching well beyond tip of posterior ray when fin is depressed


<ul><li><p>Leuciscidae</p></li><li><p>Dorsal fin origin posterior to pelvic fin origin</p></li><li><p>Lateral stripe fades into stippling anteriorly</p></li><li><p>Anal fin with concave margin when expanded</p></li><li><p>Dorsal fin pointed with tip of anterior ray reaching well beyond tip of posterior ray when fin is depressed</p></li></ul><p></p>
2
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Notropis micropteryx

  • Leuciscidae

  • Dorsal fin origin posterior to pelvic fin origin

  • Lips and chin pigmented


<ul><li><p>Leuciscidae</p></li><li><p>Dorsal fin origin posterior to pelvic fin origin</p></li><li><p>Lips and chin pigmented</p></li></ul><p></p>
3
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Notropis photogenis

  • Leuciscidae

  • Dorsal, anterior margin of lateral stripe serrated

  • Pair of dark crescents present between nostrils of adults


<ul><li><p>Leuciscidae</p></li><li><p>Dorsal, anterior margin of lateral stripe serrated</p></li><li><p>Pair of dark crescents present between nostrils of adults</p></li></ul><p></p>
4
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Notropis telescopus

  • Leuciscidae

  • Irregular looking predorsal scales

  • Out of focus pigment pattern on dorsal scales

  • No dark basicaudal spot

  • Large eyes


<ul><li><p>Leuciscidae</p></li><li><p>Irregular looking predorsal scales</p></li><li><p>Out of focus pigment pattern on dorsal scales</p></li><li><p>No dark basicaudal spot</p></li><li><p>Large eyes</p></li></ul><p></p>
5
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Ericymba buccata

  • Leuciscidae

  • Infraorbital and preoperculomandibular canals forming visible cavities in the bones below the eyes

  • ^ “Scaffolding” under eyes (photo not as good)


<ul><li><p>Leuciscidae</p></li><li><p>Infraorbital and preoperculomandibular canals forming visible cavities in the bones below the eyes</p></li><li><p>^ “Scaffolding” under eyes (photo not as good)</p></li></ul><p></p>
6
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Paranotropis leuciodus

  • Leuciscidae

  • Lateral stripe ends in distinct rectangular spot at base of caudal fin


<ul><li><p>Leuciscidae</p></li><li><p>Lateral stripe ends in distinct rectangular spot at base of caudal fin</p></li></ul><p></p>
7
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Hydrophlox rubricroceus

  • Leuciscidae

  • Pigmented scales extend past lateral line onto belly

  • Prominent dark lateral stripe ending in linear basicaudal spot


<ul><li><p>Leuciscidae</p></li><li><p>Pigmented scales extend past lateral line onto belly</p></li><li><p>Prominent dark lateral stripe ending in linear basicaudal spot</p></li></ul><p></p>
8
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Paranotropis spectrunculus

  • Leuciscidae

  • Triangular (“heart”) basicaudal spot

  • Very cylindrical body

  • Snout smoothly rounded in side view


<ul><li><p>Leuciscidae</p></li><li><p>Triangular (“heart”) basicaudal spot</p></li><li><p>Very cylindrical body</p></li><li><p>Snout smoothly rounded in side view</p></li></ul><p></p>
9
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Miniellus stramineus

  • Leuciscidae

  • Anterior lateral line scales very deep and narrow

  • X marks through lateral line

  • Scales edged in black


<ul><li><p>Leuciscidae</p></li><li><p>Anterior lateral line scales very deep and narrow</p></li><li><p>X marks through lateral line</p></li><li><p>Scales edged in black</p></li></ul><p></p>
10
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Opsopoeodus emiliae

  • Leuciscidae

  • Mouth small and almost vertical

  • Interradial membranes in the middle of the dorsal fin unpigmented


<ul><li><p>Leuciscidae</p></li><li><p>Mouth small and almost vertical</p></li><li><p>Interradial membranes in the middle of the dorsal fin unpigmented</p></li></ul><p></p>
11
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Pimephales notatus

  • Leuciscidae

  • Crowded predorsal scales

  • Three rows of snout tubercles on males


<ul><li><p>Leuciscidae</p></li><li><p>Crowded predorsal scales</p></li><li><p>Three rows of snout tubercles on males</p></li></ul><p></p>
12
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Pimephales promelas

  • Leuciscidae

  • Crowded predorsal scales

  • Lateral line incomplete

  • Three rows of snout tubercles on males


<ul><li><p>Leuciscidae</p></li><li><p>Crowded predorsal scales</p></li><li><p>Lateral line incomplete</p></li><li><p>Three rows of snout tubercles on males</p></li></ul><p></p>
13
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Pimephales vigilax

  • Leuciscidae

  • Crowded predorsal scales

  • Two rows of snout tubercles in males


<ul><li><p>Leuciscidae</p></li><li><p>Crowded predorsal scales</p></li><li><p>Two rows of snout tubercles in males</p></li></ul><p></p>
14
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Semotilus atromaculatus

  • Leuciscidae

  • Crowded predorsal scales

  • Triangular flap-like barbel in the groove between maxilla and snout

  • Spout at anterior base of dorsal fin

  • Wide terminal mouth


<ul><li><p>Leuciscidae</p></li><li><p>Crowded predorsal scales</p></li><li><p>Triangular flap-like barbel in the groove between maxilla and snout</p></li><li><p>Spout at anterior base of dorsal fin</p></li><li><p>Wide terminal mouth</p></li></ul><p></p>
15
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Phenacobius spp.

  • Leuciscidae

  • Slender and silvery

  • Suckerlike mouth with curled edges


<ul><li><p>Leuciscidae</p></li><li><p>Slender and silvery</p></li><li><p>Suckerlike mouth with curled edges</p></li></ul><p></p>
16
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Rhinichthys obtusus

  • Leuciscidae

  • Premaxilla nonprotractile and attached to snout by smooth continuation of skin

  • Barbel at tip of maxilla

  • Small scales, “peppered” pattern

  • Distance from tip of snout to anterior tip of lower jaw less than eye diameter


<ul><li><p>Leuciscidae</p></li><li><p>Premaxilla nonprotractile and attached to snout by smooth continuation of skin</p></li><li><p>Barbel at tip of maxilla</p></li><li><p>Small scales, “peppered” pattern</p></li><li><p>Distance from tip of snout to anterior tip of lower jaw less than eye diameter</p></li></ul><p></p>
17
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Rhinichthys cataractae

  • Leuciscidae

  • Premaxilla nonprotractile and attached to snout by smooth continuation of skin

  • Barbel at tip of maxilla

  • Small scales, “peppered” pattern

  • Distance from tip of snout to tip of lower jaw greater than or equal to eye diameter


<ul><li><p>Leuciscidae</p></li><li><p>Premaxilla nonprotractile and attached to snout by smooth continuation of skin</p></li><li><p>Barbel at tip of maxilla</p></li><li><p>Small scales, “peppered” pattern</p></li><li><p>Distance from tip of snout to tip of lower jaw greater than or equal to eye diameter</p></li></ul><p></p>