Ecsenius minutus Klausewitz 1963

Dorsal fin XII or XIII,13 or 14 (rarely XIII); Incised spinous and segmented-ray portions. Anal fin II,15 or 16. Pectoral fin 12-14 (typically 13). Segmented caudal-fin rays 13. Vertebrae 10 + 21 or 22. Dentary incisor teeth which includes anterior canines very similar in appearance from incisors, 46-51 in males and 48-53 in females, averaging more in females than males; posterior canines 0 or 1 (usually 1). Lateral line lacking vertical pairs of pores, extending posteriorly to point between vertical from interspace between 9th and 10th dorsal-fin spines and vertical from 11th spine (usually reaching to or beyond 10th spine). With cirrus on posterior rim of anterior nostril; absent on anterior rim. Distinct, dark stripe on pectoral-fin base entering fin between 7th and 8th from dorsalmost rays; dark, curving stripe on opercle extending dorsally to, or almost to, dark spot (remnant of a dark postorbital stripe) at dorsal margin of opercle (Ref. 5296).

Oviparous, distinct pairing (Ref. 205).

Dorsal spines (total): 12 - 13; Dorsal soft rays (total): 13 - 14; Analspines: 2; Analsoft rays: 15 - 16; Vertebrae: 31 - 32

Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).

aquarium: commercial

Ecsenius minutus Klausewitz

Ecsenius minutus Klausewitz, 1963:357 [Addu-Atoll, Maldives; holotype, SMF 6367].

Ecsenius (Ecsenius) nalolo.—Springer, 1971:33, 34 [in part].

Ecsenius nalolo.—McKinney and Springer, 1976:11.

DESCRIPTION.—Dorsal fin XII or XIII, 13 or 14 (rarely XIII); incised between spinous and segmented-ray portions. Anal fin II, 15 or 16. Pectoral fin 12–14 (usually 13). Segmented caudal-fin rays 13. Vertebrae 10 + 21 or 22. Dentary incisor teeth (includes anterior canines, which differ little, if at all, in appearance from incisors) 46–51 in males and 48–53 in females, averaging more in females than males (Table 20); posterior canines 0 or 1 (usually 1). Lateral line without vertical pairs of pores, extending posteriorly to point between vertical from interspace between ninth and tenth dorsal-fin spines and vertical from eleventh spine (usually reaching to or beyond 10th spine). Cirrus present on posterior rim of anterior nostril; none present on anterior rim.

Preserved Color: The main features of the color pattern of E. minutus are described under the account of the Yaeyamaensis Group and in the relationships section of E. yaeyamaensis. The most distinctive features of the color pattern of E. miniutus are the disposition of the single dark stripe on the pectoral-fin base and the dark, ventroanteriorly curving line anteriorly on the opercle. The pectoral-fin base stripe is much broader anteriorly than posteriorly, and posteriorly enters the fin at some point between the seventh and eighth from dorsalmost rays. In those species of the Yaeyamaensis Group that have a similar stripe, the stripe is usually not much broader anteriorly, and posteriorly it enters the fin at a point along the vertical connecting the bases of the fifth and sixth from dorsalmost rays. Dorsally, the dark curving opercular line reaches, or just fails to reach a dark spot, which is situated at the dorsal margin of the opercle, in the position occupied by the dark mid-postorbital stripe of the other species of the Group. Another dark spot dorsal to the pectoral-fin axil is also probably a remnant of the postorbital stripe. In the other species of the Yaeyamaensis Group there is a large gap between the dorsal end of the dark opercular line and the mid-postorbital stripe, which may be almost continuous from the postorbital margin to well out on the body anteriorly. Additional note is taken here that the cheeks are not spotted in any of the specimens (occurs only in some specimens of E. nalolo) and that there are occasionally one or two large, dark, roundish blotches on the flanks in the abdominal area. These are darkest in males.

Live Color (Plate 9: figure 4): Based on photographs taken in the wild, the darker colors on the head and body are shades of brown. There are some diffuse golden marks on the cheeks. The ring around the pupil and spokes radiating from the pupil appear to be white. Pale spots on the body are less consipicuous than those in the other species of the Yaeyamaensis Group. One photograph shows a specimen almost totally blanched, with an almost transparent body; the most noticeably markings include the opercular line and some spots posterior to the eye (fleshy pectoral-fin base is obscured).

RELATIONSHIPS.—I am unable to hypothesize unequivocally the sister group of Ecsenius minutus within the Yaeyamaensis Group. The broad anterior end of the pectoral-fin base stripe is reminiscent of the forked anterior end of the stripe in some specimens of E. nalolo (Figures 37d, e), if one imagines the area between the forks becoming filled in. The posterior end of the stripe enters the fin at about the level of the eighth from dorsalmost ray in E. minutus, but in E. nalolo it enters at the level of the fifth to sixth from dorsalmost ray.

DISTRIBUTION.—Ecsenius minutus is known only from the Maldive Islands.

MATERIAL.—Maldive Islands: Addu Atoll, FMNH 71368 (13 specimens: 27–38 mm SL), SMF 6367 (holotype of Ecsenius minutus: 20); South Nilandu Atoll, FMNH 71367 (21:26–36); Villingilli Island, BPBM 18055 (1:32).

Ecsenius minutus és una espècie de peix de la família dels blènnids i de l'ordre dels perciformes.

Ecsenius minutus is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in Maldives, in the western Indian ocean. It can reach a maximum length of 4 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds, and are commercial aquarium fish.

Ecsenius minutus es una especie de pez de la familia Blenniidae en el orden de los Perciformes.

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Ecsenius minutus Ecsenius generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Blenniidae familian.