Glassy sweeper
📖 Overview
Occurs in clear water with coral bottom. Form aggregations in dark crevices and caves . Nocturnal . Its name probably refers to the juveniles, which are so transparent that the backbone can be seen in the living fish . Feeds on zooplankton, particularly the larval stages of invertebrates .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 5; Dorsal soft rays (total): 8 - 9; Anal spines: 3; Anal soft rays: 32 - 34. Ventral profile deeply curved in front of anal fin, tapering upward to slender caudal peduncle. Mouth very oblique . Scales ctenoid along the back posterior to dorsal fin and ventrally on head and body, otherwise cycloid, coppery with a dark band at base of anal fin; young nearly transparent, silvery over abdomen .: short and / or deep.
🌀 Behaviour
Behavioural data for Glassy sweeper is currently being reviewed.
🦐 Diet
Diet information for Glassy sweeper is currently being compiled.
🥚 Reproduction
Reproduction data for Glassy sweeper is currently being compiled.
🌍 Habitat & Distribution
Marine; reef-associated; depth range 3 - 30 m . Tropical
🌿 Ecology
zooplankton, particularly the larval stages of invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 9 records indexed .
👥 Community & Contribute
No observations yet — be the first to log one!
View all observations for Glassy sweeper ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.