Iphigenella acanthopoda G.O. Sars, 1896

Iphigenella acanthopoda imageSynonyms: None

Common names: Russ: Ifiginella koluchkonogaya; Ukr: Ifiginella kolyuchkonoga



Taxonomic descriptions: One of the 3 species of the endemic Black-Caspian Seas genus. Propoduses of I-V pereiopods are half nipping claw shaped; the claw is very short, slightly longer than the width; the lower ventral corner of the third epimeral plate is elongated and sharp.

Iphigenella acanthopoda arealIUCN Status:
    World level: VU (Endemic of the Azov-Black Sea basin)
    Black Sea Regional level: VU
    Subregion level: VU (Ukrainian sector)

Distribution: Inhabits the lower reaches of the Danube, Dniestr, Dniepr and South Bug including the Dnieprovsky, Dniepr-Bug and Kuchurgansky limans. Encountered in rivers of the Sea of Azov. Range includes the Caspian Sea basin.

Habitats type, Critical habitats, Limiting factors: Fresh water and brackish parts of limans, deltas and rivers. The main biotopes are silty-sandy, silty-rocky and muddy-sandy sediment.

Biology: Oligohaline and freshwater species tolerant to significant variations in water temperature. Inhabits as a rule the coastal zone of water bodies. Commensal with the river crawfish Astacus leptodactylus. Adults organisms have a length 8-9 mm.

Population trends: Low abundance (1-3 ind/m2).

Threats: Water pollution, erosion of shores.

Conservation measures taken: Included in Red Data Books of Ukraine and the Black Sea.

Conservation measures proposed: Reduction in Black Sea coastal zone pollution. Study of biological peculiarities of the species, protection of characteristic biotopes, including the Danube, Dniestr and Don deltas.


  1. Polischuk, V.V., 1994. Iphigenella acanthopoda. Chervona Knyga Ukrayiny (Red Data Book of Ukraine). Kijiv: Ukrajinska enciklopediya Publ., p. 46 (in Ukrainian).
  2. Opredelitel fauny Chernogo i Azovskogo morey (Key of Black Sea and Sea of Azov fauna). Kiev, Naukova dumka Publ., v. 2, 536 pp.(in Russian).

Compiled by: B.Alexandrov