"Erpobdella obscura " have semelparous life history, i . e ., they die after reproduction.
2.
The family currently contains 39 species in 2 genera ( 37 in " Erpobdella " and 2 in " Motobdella " ).
3.
As discovered relatively recently, all leech species studied do produce endogenous intestinal exopeptidases, Exopeptidases are especially prominent in the common North American worm-leech " Erpobdella punctata ".
4.
At its foot, there are ponds and streams including one of the largest known colonies of subterranean leeches ( " Erpobdella mestrovi " ), which has been ascertained to represent a new species, genus and also family.
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