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34 results for “Leiognathidae”
FIGURE 4 in Geometric morphometrics uncovers a new species of ponyfish (Teleostei: Leiognathidae: Equulites), with comments on the taxonomic status of Equula berbis Valenciennes
FIGURE 4. Canonical variates analysis showing two distinct shape groups along CV 1 individuals and the holotype.
FIGURE 2 in Geometric morphometrics uncovers a new species of ponyfish (Teleostei: Leiognathidae: Equulites), with comments on the taxonomic status of Equula berbis Valenciennes
FIGURE 2. Specimens of Group A morphotype (A—Western Indian Ocean) and Group B morphotype (B—Eastern Indian Ocean)
FIGURE 4 in Description of a new genus of ponyfishes (Teleostei: Leiognathidae), with a review of the current generic-level composition of the family
FIGURE 4. Comparison of internal and external anatomy of LOS in sister genera Equulites and Photolateralis, new genus: (A) Translucent lateral flank stripe comprised of discrete "windows" in male Photolateralis stercorarius (SIO 96-96, 98.2mm SL, Philippines). (B) Internal anatomy of LOS in male P. stercorarius (AMNH uncat., [VN-2010-11], 73.1 mm SL, Vietnam). Note comparatively small donut shaped, spotted light organ and posterior lateral clearing of silvery gas bladder lining. (C) Expansive translucent, triangular lateral flank patch characteristic of male members of Equulites (E. elongatus, UMMZ uncat., [PVD 82- 06/19a LE], 76.4 mm SL, Japan). (D) Internal anatomy of LOS in male E. elongatus (UMMZ uncat., 68.0 mm SL, Japan). Note greatly enlarged dorsolateral light-organ lobes in Equulites that extend posteriorly well into gas bladder, and lateral clearing of silvery guanine layer running entire length of gas bladder. Light organs circled in yellow. Figure abbreviations: gb = gas bladder, mls = translucent mid-lateral stripe, tp = translucent, triangular lateral flank patch.
FIGURE 3 in Description of a new genus of ponyfishes (Teleostei: Leiognathidae), with a review of the current generic-level composition of the family
FIGURE 3. Species of Photolateralis illustrating phenotypic variability of translucent mid-lateral stripe characteristic of genus. (A) P. stercorarius, USNM 55906, holotype, 83.8mm SL, Philippines. (B) P. moretoniensis, AMS I.22983001, non-type, 76.9 mm SL, Australia. (C) P. antongil, AMNH 236544, holotype, 75.0 mm SL, Madagascar.
FIGURE 2 in Description of a new genus of ponyfishes (Teleostei: Leiognathidae), with a review of the current generic-level composition of the family
FIGURE 2. Internal and external features of light-organ system (LOS) in members of Photolateralis. (A) Male P. stercorarius external LOS anatomy. (B) Male P. stercorarius internal LOS anatomy. (C) Female P. stercorarius internal LOS anatomy. Figure abbreviations: es = esophagus, g = gut, gb = gas bladder, lo = circumesophageal light organ, mls = translucent midlateral stripe. Stippled region on posterolateral region of gas bladder corresponds to clearing of silvery guanine lining in region internal to translucent mid-lateral stripe. Yellow region on light organ corresponds to "window" that is directed and opens into the gas bladder.
FIGURE 1 in Description of a new genus of ponyfishes (Teleostei: Leiognathidae), with a review of the current generic-level composition of the family
FIGURE 1. Generic level phylogeny for Leiognathidae after Chakrabarty et al. (2011b) indicating placement of Photolateralis, new genus (in boldface type).
FIGURE 5 in A new species of Secutor (Teleostei: Leiognathidae) from the Western Indian Ocean
FIGURE 5. Image of freshly collected specimen of Secutor mazavasaoka, new species (paratype), Maroansetra, Madagascar.
FIGURE 2 in A new species of Secutor (Teleostei: Leiognathidae) from the Western Indian Ocean
FIGURE 2. Schematic of light-organ system (LOS) in representative male member of Secutor dissected to show internal anatomy. Tranlucent gular patch highlighted in light blue, and light organ windows in bright yellow. Stippling on gular patch and light organ windows indicates presence of chromatophores on these structures. Abbreviations: aw = anterior light organ window; es = esophagus; g = gut; gb = gas bladder; lo = circumesophageal light organ; sc = silvery, guanine-lined, light chamber or tube.
FIGURE 1. Secutor ruconius, UMMZ 225240, 37.1 in A new species of Secutor (Teleostei: Leiognathidae) from the Western Indian Ocean
FIGURE 1. Secutor ruconius, UMMZ 225240, 37.1 mm SL, cleared-and-stained skeletal preparation illustrating diagnostic osteological features of genus. Abbreviations: cl = cleithrum, dn = dentary, mx = maxilla, px = premaxilla.
FIGURE 4. A in A new species of Secutor (Teleostei: Leiognathidae) from the Western Indian Ocean
FIGURE 4. A. Secutor mazavasaoka, new species, paratype, USNM 373279, 99.8 mm SL, Mozambique. B. S. insidiator, ZMB 1676, syntype, 68.5 mm SL, India. C. S. insidiator, AMNH 240594, 65.9 mm SL, Thailand. D. S. indicius, AMNH 242615, 83.6 mm SL, Taiwan.
FIGURE 3 in A new species of Secutor (Teleostei: Leiognathidae) from the Western Indian Ocean
FIGURE 3. Secutor mazavasaoka, new species, holotype, AMNH 251200, 77.4 mm SL, Madagascar.
Fig. 3 in Phylogeny and Taxonomic Revision of Nuchequula Whitley 1932 (Teleostei: Leiognathidae), with the Description of a New Species
Fig. 3. Strict consensus of two equally most parsimonious topologies based on the analysis of morphological features. The character matrix is presented in table 1. Numbers on branches correspond to apomorphic features that diagnose clades; numbers in parentheses represent the state, other than 1. Solid bars represent unique and unreversed features, whereas open rectangles represent homoplasious characters.
Data from: Is sexual selection driving diversification of the bioluminescent ponyfishes (Teleostei: Leiognathidae)?
Open the record for dataset details and reuse information.
Fig. 8. Nuchequula decora, AMS I.22990002, 94.1 in Phylogeny and Taxonomic Revision of Nuchequula Whitley 1932 (Teleostei: Leiognathidae), with the Description of a New Species
Fig. 8. Nuchequula decora, AMS I.22990002, 94.1 mm SL.
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