Bluegold glass blenny

📖 Overview

Bluegold glass blenny (Emblemariopsis ruetzleri), first described by Tyler & Tyler, 1997 is a tiny fish in the family Chaenopsidae (order Blenniiformes). Adults typically reach 2.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 8 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 19 - 21; Dorsal soft rays (total): 10 - 13; Anal spines: 2; Anal soft rays: 19 - 21. This species with an orbital cirrus and no red banner is distinguished by the following characters: TP territorial males found in holes with a black head; the anterior dorsal fin black, with a short, thin, white margin reaching back to second membrane; the first two membranes well incised; first dorsal-fin spine relatively short, when adpressed reaching to about 5th-6th spine base, about 1/2 HL, the third and fourth spines are also shorter, subsequent spines rising to midfin spines . Dark-shaded and transitional TP with a relatively short first dorsal-fin spine, the second spine usually equal, with third spine about 2/3 of first, the fourth spine less than 1/2 first spine, and tenth spine about equal to first, profile of anterior dorsal fin with a moderate concavity, decreasing during transition; the first three dorsal-fin membranes white tipped, tips rounded and membranes incised; usually distinct large head spots; a prominent characteristic black spot a third way along the lower lip; without dense speckling of dorsal-fin and pectoral-fin membranes; row of dark spots along lateral midline adsent, no rows of dark spots along proximal spinous-dorsal-fin membranes, and no opercular bands or lines . IP with elongated first two dorsal-fin spines, the first spine when adpressed reaching to base of 5th-8th spine base, the second spine about equal, the third about 2/3 of first, first two membranes with white rounded tips. Colouration: live colors greenish blue and gold; the cranial pattern of bluish spots and reticulations with a greenish gold background; IP head spots are usually reduced; melanophores near pectoral-fin base with a short oblique band to none Cross section: oval.

🌀 Behaviour

Behavioural data for Bluegold glass blenny is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 8 m . Tropical Central Atlantic: Belize, Honduras, south to Panama; on the islands of the western Caribbean, including San Andres and Cayman Islands; across to the northern Antilles: Mona Island, Puerto Rico, and St.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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