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Eviota vader Dwarfgoby

Eviota vader is commonly referred to as Dwarfgoby. Difficulty in the aquarium: 2 - Enkel. A aquarium size of at least 50 Liter is recommended. Toxicity: Toxic hazard unknown.


Profile

lexID:
17652 
AphiaID:
1827422 
Scientific:
Eviota vader 
German:
Zwerg-Grundel 
English:
Dwarfgoby 
Category:
Smörbultar (Gobies) 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Gobiiformes (Order) > Gobiidae (Family) > Eviota (Genus) > vader (Species) 
Initial determination:
Greenfield, Erdmann, Ichida & Ichida, 2025 
Occurrence:
Papua New Guinea 
Sea depth:
0 - 26 Meter 
Habitats:
associated with with coral skeletons, On calcareous algae, On living corals 
Size:
0.39" - 0.79" (1cm - 2cm) 
Temperature:
71.6 °F - 80.6 °F (22°C - 27°C) 
Food:
Apocyclops panamensis - Copepode, Brine Shrimp Nauplii, Brine Shrimps, Cyclops, Frozen food (small sorts), Oyster eggs 
Tank:
11 gal (~ 50L)  
Difficulty:
2 - Enkel 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life
:
 
More related species
in this lexicon
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-08-14 17:00:48 

Info

Eviota vader

Eviota vader, a new western Pacific dwarfgoby from
Papua New Guinea (Teleostei: Gobiidae)

A new species of dwarfgoby, Eviota vader, is described from McLaren Fjord, Tufi, Papua New Guinea. The new species is characterized by a distinctive purplish-black coloration not found on any other species of dwarfgoby. In addition to the unusual color, it is diagnosed by the combination of a complete cephalic sensory-canal pore system, a dorsal/anal fin-formula of 8/7, some branched pectoral-fin rays, the fifth pelvic-fin ray present, and no dark occipital spots or any dark spots at the base of dorsal or caudal fins. The species is apparently endemic to the Tufi region of Papua New Guinea, a location known to have microendemic species.

Introduction
The dwarfgobies in the genus Eviota are tiny coral-reef fishes (usually Animalia (Kingdom) > Chordata (Phylum) > Vertebrata (Subphylum) > Gnathostomata (Superclass) > Pisces (Superclass) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family) > Gobiinae (Subfamily) > Eviota


Jumping guard
A jumping guard prevents (nocturnal) fish from jumping out.
Wrasses, blennies, hawkfishs and gobies jump out of an unprotected tank in fright if their night rest is disturbed, unfortunately these jumpers are found dried up in the morning on carpets, glass edges or later behind the tank.

https://www.korallenriff.de/en/article/1925_5_Jump_Protection_Solutions_for_Fish_in_the_Aquarium__5_Net_Covers.html

A small night light also helps, as it provides the fish with a means of orientation in the dark!

The term "reef safe" is often used in marine aquaristics, especially when buying a new species people often ask if the new animal is "reef safe".
What exactly does reef safe mean?

To answer this question, you can ask target-oriented questions and inquire in forums, clubs, dealers and with aquarist friends:

- Are there already experiences and keeping reports that assure that the new animal can live in other suitably equipped aquariums without ever having caused problems?

- Is there any experience of invertebrates (crustaceans, hermits, mussels, snails) or corals being attacked by other inhabitants such as fish of the same or a different species?

- Is any information known or expected about a possible change in dietary habits, e.g., from a plant-based diet to a meat-based diet?

- Do the desired animals leave the reef structure "alone", do they constantly change it (boring starfish, digger gobies, parrotfish, triggerfish) and thus disturb or displace other co-inhabitants?

- do new animals tend to get diseases repeatedly and very quickly and can they be treated?

- Do known peaceful animals change their character in the course of their life and become aggressive?

- Can the death of a new animal possibly even lead to the death of the rest of the stock through poisoning (possible with some species of sea cucumbers)?

- Last but not least the keeper of the animals has to be included in the "reef safety", there are actively poisonous, passively poisonous animals, animals that have dangerous biting or stinging weapons, animals with extremely strong nettle poisons, these have to be (er)known and a plan of action should have been made in advance in case of an attack on the aquarist (e.g. telephone numbers of the poison control center, the treating doctor, the tropical institute etc.).
If all questions are evaluated positively in the sense of the animal(s) and the keeper, then one can assume a "reef safety".

External links

  1. Ocean Science Foundation (en). Abgerufen am 14.08.2025.

Pictures

Commonly


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