Ecsenius
Creators: name: Victor G. Springer
name: Gerald R. Allen
Publisher: name: Zenodo
Year: 2004
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Perciformes
Blenniidae
Ecsenius

description: [[Ecsenius]]  
Key to the species of the Prooculis group  
1 Two linearly arranged dark spots present on side of abdomen.................. bimaculatus  
- No dark spots on abdomen........................................................................................... 2  
2 Two linear rows of dark spots on body at least in area ventral to segmented-ray portion of dorsal fin.................................................................................................................. 3  
- No rows of dark spots on body.................................................................................... 4  
3 Black stripe extending posteriorly from orbital margin across opercle; one to three fine dark vertical bands present or absent on body anterior rows of dark spots...... randalli  
- No black stripe extending posteriorly from orbital margin; dark spot present dorsally on opercle; no dark vertical bands on body....................................................... collettei  
4 Body with pale stripes alternating with broader dark stripes....................................... 5  
- Body without distinctive markings.............................................................................. 6  
5 Pale stripes narrow, depth much less than one-fourth orbital diameter; dorsal pale stripe on body at or dorsal to level of lateral line; ventral pale stripe on body midline; dusky spot on post-orbital margin indistinctly, if at all, leading to stripe across head............................................................................................................................ taeniatus  
- Pale stripes deeper, about one-third orbital diameter; dorsal pale stripe on body ventral to level of lateral line; ventral pale stripe on body ventral to body midline; dusky stripe extending posteriorly from orbital margin across head................................... prooculis  
6 No dark stripe extending posteriorly from orbital margin across head (a dark spot may be present on postorbital margin)............................................................. caeruliventris  
- Dark stripe extending posteriorly from orbital margin across head............................. 7  
7 Dark stripe on head narrower (Figures 1d, 2b), bordered ventrally by pale white stripe in life; in life, stripes in interorbital area and iris of eye white or faintly tinged with yellow.......................................................................................................................... shirleyae  
- Dark stripe on head deeper (Figures 1e, 2d), bordered dorsally and ventrally by bright yellow in life; in life, stripes in interorbital area and iris of eye bright yellow........................................................................................................................................ bandanus
description: Published as part of Victor G. Springer & Gerald R. Allen, 2004, Ecsenius caeruliventris and E. shirleyae, two new species of blenniid fishes from Indonesia, and new distribution records for other species of Ecsenius., pp. 1-12 in Zootaxa 791 on page 3