---
title: Red Sea Dwarfgoby (Eviota marerubrum)
scientific_name: Eviota marerubrum
common_name: Red Sea Dwarfgoby
taxon: Gobies
conservation_status: LC - Least Concern
published: 2024-11-23T09:18:07.522Z
updated: 2025-11-25T13:58:09.000Z
tags: Red Sea Dwarfgoby, Eviota marerubrum, Gobies, Red Sea, Marine Life, Diving
url: https://redseacreatures.com/taxon/fishes/bony-fishes/gobies/red-sea-dwarfgoby
---

# Red Sea Dwarfgoby (*Eviota marerubrum*)

**Taxon:** Gobies (*Gobiidae*)  
**Conservation Status:** LC - Least Concern  


The Red Sea Dwarfgoby (Eviota marerubrum) is a small tropical marine fish found in the coral reefs of the Western Indian Ocean, specifically ranging from the Gulf of Aqaba to Saudi Arabia. This tiny fish inhabits reef areas at depths of 9 to 27 meters (approximately 30 to 90 feet).

With a maximum length of about 1.7 centimeters (0.67 inches) and weighing up to 0.06 grams (0.002 ounces), the Red Sea Dwarfgoby is a very diminutive species. Despite its small size, it exhibits distinct coloration and patterns. Notably, there are two dark spots at the base of the caudal fin. It also features a small dark circular spot near the tail connected to a narrow dark line at the end of the body. Freshly deceased specimens display 5-6 dark vertical bars on the caudal fin, while the eye is marked by two unique white horizontal stripes.

The body depth of this goby is about 20-25% of its standard length, and its pectoral fins usually have 15 unbranched rays. The dorsal fin consists of 7 spines and 8 soft rays, while the anal fin has 1 spine and 7 soft rays. The fish lacks the IT pore in its sensory-canal pore pattern, and the AITO pore is small and opens dorsally. Additionally, the fifth pelvic-fin ray ranges from 8-15% the length of the fourth ray. These physical features and its striking coloration make the Red Sea Dwarfgoby a unique, albeit tiny, inhabitant of its reef ecosystem.

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*Source: [Red Sea Creatures](https://redseacreatures.com/taxon/fishes/bony-fishes/gobies/red-sea-dwarfgoby)*
*Updated: November 25, 2025*