Shimadai's dwarfgoby
📖 Overview
Shimadai's dwarfgoby (Eviota shimadai) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 1.6 cm. It occurs at depths between 0 and 29 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 7 - 8. This species is distinguished from its congeners by the following set of characters: dorsal/anal fin-ray formula usually 8/8, sometimes 8/7 or 9/8; pectoral fin rays 16-17 (usually 16), all unbranched; cephalic sensory-pore system pattern IV (lacking pores PITO and IT, AITO enlarged, engulfing the PITO); fifth segmented pelvic-fin ray variable, absent to 18% of fourth ray; non-fimbriate genital papilla; filamentous first dorsal fin (second spine 67.2% SL in holotype); branches on fourth pelvic-fin ray 2-3, 2-3 segments between branches; body with no distinct large dark marks; side of body with scattered internal melanophores, under pectoral fin and on side of head; presence of silver bar across central part of pectoral-fin base when alive ; characterized further by semi translucent body with irregular, internal reddish midlateral stripe; presence of rows of small reddish spots along dorsal midline; usually with several narrow reddish bars above base of anal fin; longitudinal scale series 23-24; sctenoid scales, absent on head, nape and base of pectoral fin; depth of body 4.3-5.0 in SL .: fusiform / normal.
🌀 Behaviour
Behavioural data for Shimadai's dwarfgoby is currently being reviewed.
🦐 Diet
Diet information for Shimadai's dwarfgoby is currently being compiled.
🥚 Reproduction
Reproduction data for Shimadai's dwarfgoby is currently being compiled.
🌍 Habitat & Distribution
Marine; reef-associated; depth range 0 - 29 m . Subtropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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