Other invertebrates The diversity of other invertebrate groups in Lake Tanganyika is often not well-known, but there are at least 20 described species of leeches (12 endemics),Segers, H.; and Martens, K; editors (2005). The Diversity of Aquatic Ecosystems. p. 44. Developments in Hydrobiology. Aquatic Biodiversity. 9 sponges (7 endemic), 6 bryozoa (2 endemic), 11 flatworms (7 endemic), 20 nematodes (7 endemic), 28 annelids (17 endemic) and the small hydrozoan jellyfish Limnocnida tanganyicae.Salonen; Högmander; Langenberg; Mölsä; Sarvala; Tarvainen; and Tiirola (2012). Limnocnida tanganyicae medusae (Cnidaria: Hydrozoa): a semiautonomous microcosm in the food web of Lake Tanganyika. Hydrobiologia 690(1): 97–112.
oTher inVErtEbrateS the DiVErsiTY oF otHER InvErtEbrate grouPs in lAKE TANGAnyiKa is often Not WelL-KNoWn, BuT There aRe AT Least 20 DEscRIbeD specieS Of LEeCHes (12 enDeMiCs),segeRs, h.; anD marTens, k; EditorS (2005). THe DiVERsiTY OF aqUatic ecoSystemS. p. 44. dEvelopments in hydroBiOloGy. aquAtIc BIodivErsity. 9 sponges (7 endEmic), 6 brYOzoa (2 EnDEmic), 11 fLatwORmS (7 endemic), 20 neMatoDes (7 endemic), 28 aNnEliDs (17 endEMIc) anD thE Small hYdrOzOan jElLyfIsh lIMnocnIdA tangaNyIcae.saLonen; högmander; lAngEnBERg; MölSä; saRVALA; tarVAinen; aND tiirOla (2012). LimnocNida tangANyicaE medUsAE (cNIdarIA: hYdrozOa): a semIautoNOMoUs MiCRocosm in THe foOD wEb Of lAkE tAnganyIkA. HydrobiOLogIA 690(1): 97–112.