Hyphessobrycon eques (Boulenger)

Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, Neotropical Ichthyology 8 (3), pp. 385-568 : 510

Autapomorphies of Hyphessobrycon eques :

1. Dorsal end of laterosensory canal of preopercle and suprapreopercle (82): (0> 1) overlapping anterodorsal process of opercle. Paralleled in the Alestidae , in node 230, and in Bario steindachneri , Parecbasis cyclolepis , Pristella maxillaris , and Stichonodon insignis .

2. Foramen on articular condyle of quadrate (149): (0> 1) present. Paralleled in nodes 168, 211, and 231 and in Grundulus cochae , Hasemania nana , and Lonchogenys ilisha .

3. Distribution of denticles on gill rakers (202): (0> 1) along entire surface of gill rakers. Paralleled in node 269 and in Astyanax correntinus , Deuterodon langei , Hoplias cf. malabaricus , and Pristella maxillaris .

4. Pelvic-fin bony hooks in adult males of species bearing hooks on fins (309): (1> 0) absent. Paralleled in Creagrutus anary , Hyphessobrycon luetkenii , Phenacogaster tegatus , Pseudocorynopoma doriae , and Stethaprion erythrops . Some trees: Paralleled in Markiana nigripinnis and Psellogrammus kennedyi .