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Parioglossus raoi Rao's hover goby, Wormfish, Yellow Dartfish

Parioglossus raoi is commonly referred to as Rao's hover goby, Wormfish, Yellow Dartfish. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.

Profilbild Urheber Dr. Klaus M. Stiefel, Philippinen

Foto: Dauin, Philippinen

18. Oktober 2025 / Schwimmen mit einer Gruppe von Trimma-Grundeln.
Courtesy of the author Dr. Klaus M. Stiefel, Philippinen Copyright Klaus Stiefel

Uploaded by AndiV.

Image detail

Profile

lexID:
17813 
AphiaID:
278758 
Scientific:
Parioglossus raoi 
German:
Pfeilgrundel, Wurmgrundel 
English:
Rao's Hover Goby, Wormfish, Yellow Dartfish 
Category:
Kutlinger 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Gobiiformes (Order) > Microdesmidae (Family) > Parioglossus (Genus) > raoi (Species) 
Initial determination:
(Herre, ), 1939 
Occurrence:
Vereinigte Arabische Emirate, Kuwait, Andaman and Nicobar Islands, Arabian Sea, Australia, Bahrain, Eastern Indian Ocean, Fiji, Flores, Gulf of Oman / Oman, Indonesia, Irak, Japan, Komodo (Komodo Island), Malaysia, Maumere, Micronesia, Papua, Papua New Guinea, Philippines, Quatar, Saudi Arabia, Singapore, Solomon Islands, Taiwan, The Ryukyu Islands, Timor, Tonga, Vanuatu, West-Atlantic Ocean 
Marine Zone:
Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters 
Sea depth:
0 - 5 Meter 
Habitats:
Brackish water, Coastal waters, Estuaries (river mouths), Mangrove Zones, Marine / Salt Water, Muddy grounds, Reef crevices, Reef holes, Reef-associated, Rocky, hard seabeds, Rubble floors, Sandy sea floors, Underwater caves, Underwater caverns 
Size:
3,5 cm 
Temperature:
26,4 °F - 29,3 °F (26,4°C - 29,3°C) 
Food:
Blackworms, Brine Shrimp Nauplii, Brine Shrimps, Copepods, Crustacean larvae , Daphnia salina, Echinoderm larvae, Invertebrates, Microworms (Nematodes), Mysis, Sludge worm , Zooplankton 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-10-21 18:51:15 

Info

Parioglossus raoi is a small yellowish torpedo goby with a fairly large distribution range.

Parioglossus raoi is a reef-associated species that forms groups in brackish to marine shallow waters, mangroves, estuaries, and coastal habitats (Allen and Erdmann 2012, Hoese 2012, Larson 2022).
Reference: IUCN Red List of Threatened Species. Version 2025-2.

External links

  1. FishBase (multi). Abgerufen am 19.10.2025.
  2. IUCN Red List of Threatened Species (multi). Abgerufen am 19.10.2025.
  3. Quality Marine (en). Abgerufen am 19.10.2025.

Pictures

Commonly

Foto: Flores, Indonesien
Foto: Dauin, Philippinen

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