Tristramella simonis (Günther, 1864) [N]—Short jaw tristramella; Tvarnun kinnarti

Taxonomy. Original description: Chromis simonis Günther, 1864: 492 [Lake Tiberias (Kinneret), Israel. Lectotype: BMNH 1864.8.20.10].— Israel synonyms: None.—Revisions: None.—Illustration: Krupp & Schneider (1989: 404, fig. 54), Borkenhagen & Freyhof (2009: 335, fig. 1).

Status in Israel. Recorded from Israel in original description by Günther (1865: 490), Lortet (1883: 143, 146) and Tristram (1884: 165, 167) as Chromis simonis; subsequently reported by Steinitz (1953: 218), Goren (1974: 105), Goren & Ortal (1999: 4) as Tristramella simonis simonis and T. simonis intermedia .—Israel material: HUJ.

Distribution and habitat. Distribution in Israel: Jordan River system and Lake Kinneret.—Distribution in River Basin: 3-Kinneret Basin.—General distribution: Middle East: swamps and pools in Damascus area (Syria), and Jordan River System.—Distribution in Ecoregion: 438- Jordan River.—Habitat: This species lives in the shallow zones of lakes, springs, and streams, where it may be found among stones or vegetation. Freshwater.

Economic importance. Commercially important.

Conservation. Conservation Status in Israel: Unknown.—IUCN: VU (IUCN 2023).—Threats: ABS, CLI, CON, HAB.—High sensitivity to human activities.—Not considered a keystone species.—Decline status: Unknown.— High priority for conservation action.