Fisc is wæterwuniende hrycgdēor þe is geþeaht mid sciellum and birþ twā twifealdnessa fina. Þæt mǣste dǣl fisca is oþþe ""ūtanhātod"" - hātod ūtan, lǣtende heora hāt wendan andefen begangendra hāta. Fiscas sind manigfealde on þǣm mǣstan dǣle wætera. Hīe magon in nēahlīce eallum gecyndelicum wæterigum ymbgeardum, fram hēam beorga strēamum (e.g., þæt leaxincel and sēo blǣge) oþ þā fordēopan dīpe þæs dēopestan geofones (rihtor, se drincend and se angelerfisc). Mid 31,500 cynna, fiscas habbaþ māran cynna fāgunge þonne ǣnig ōðer gecynd brycgbāndra dēora.