Elopiformes


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Elopiformes

[e‚läp·ə′fōr‚mēz]
(vertebrate zoology)
A primitive order of actinopterygian fishes characterized by a single dorsal fin composed of soft rays only, cycloid scales, and toothed maxillae.
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The ability to tolerate extreme environmental conditions has been documented in other Elopiformes, such as tarpon, so it is not surprising that ladyfish also have these traits.
Ontogenetic tooth loss occurs in other fishes, including members of elopiformes and anguilliformes (Fahay, 1983), acipenseriformes (Nelson, 2006), and siliformes (Huysseune and Sire, 1997; Kakizawa and Meenakarn, 2003).
Carcharhiniformes 1 4 2 5 Scorpaeniformes 1 4 1 3 Elopiformes 1 4 1 3 Clupeiformes 1 4 1 3 Cyprinodontiformes 1 4 1 3 Characiformes 3 13 9 24 Siluriformes 4 17 5 13 Syngnathiformes 1 4 1 3 Batrachoidiformes 1 4 1 3 Perciformes 9 38 15 39 Pleuronectiformes 1 4 1 3 Total 24 100 38 100 Table 2.
Interestingly, the monophyly of the Elopiformes is not supported by the tree of Figure 2, although it is also not contradicted by this tree: Elops, Megalops and the remaining elopomorphs are placed in an unresolved trichotomy.
Batrachoidiformes, Beloniformes, Elopiformes and Aulopiformes and the families Atherinopsidae, Gobiidae, Pomatomidae, Scombridae, Sphyraenidae and Uranoscopidae, which were represented by a small number of species in the present study.
They're members of the Elopiformes, an ancient order that includes tarpon and bonefish.
III,IV ORDEN MYLIOBATIFORMES FAMILIA UROLOPHIDAE Urobatis maculatus raya redonda I (Garman, 1913) de Cortes FAMILIA DASYATIDAE Dasyatis dipterura raya latigo I (Jordan y Gilbert, 1880) diamante Dasyatis longa (Garman, 1880) raya latigo largo I FAMILIA GYMNURIDAE Gymnura marmorata raya mariposa III (Cooper, 1864) californiana FAMILIA MYLIOBATIDAE Myliobatis californica tecolote II,III Gill, 1865 Myliobatis longirostris Aguila picuda II,III Applegate y Fitch, 1964 CLASE ACTINOPTERYGII SUBCLASE NEOPTERYGII DIVISION TELEOSTEI ORDEN ELOPIFORMES FAMILIA ELOPIDAE Elops affinis Regan, 1909 machete del II Pacifico ORDEN ALBULIFORMES FAMILIA ALBULIDAE Albula esuncula macabi de Cortes I (Garman, 1899) Albula pacifica macabi de hebra I (Beebe, 1942) sp.
Entre los Elopiformes, Elops saurus presento individuos juveniles en un porcentaje significativamente alto (90,5%); esta especie se encuentra en epoca de lluvias alrededor de las estaciones 3 y 4, las que reciben influencia directa de las aguas del Canal del Dique.