What’s Wrong With in­jected fish?

Fish can be ar­ti­fi­cially coloured in a cou­ple of ways – Dip­ping or in­ject­ing

Practical Fishkeeping (UK) - - Gear & Reviews -

Dip­ping: Fish have their mu­cous lay­ers stripped, be­fore dunk­ing in con­cen­trated dyes stains them with ar­ti­fi­cially bright colours. Fish are dyed all over in­clud­ing the gills, caus­ing res­pi­ra­tion is­sues. Ink in the body can have se­ri­ous ef­fects on or­gan func­tion. Strip­ping away mu­cus leaves fish open to bac­te­ria and par­a­sites.

in­ject­ing: Fish are stabbed with a nee­dle, and dyes in­jected. They may have pat­terns or words tat­tooed on the body. Against fish body sizes, nee­dles are huge. Imag­ine your arm­be­ing in­jected with a pen­cil for a com­par­i­son. In­jec­tion sites are ac­cess points for in­fec­tions. Nee­dles are not cleaned or ster­ilised, risk­ing in­fec­tion. Chem­i­cal em­bolisms from in­jec­tion can cause fa­tal­i­ties. In­ject­ing causes gran­u­lo­mas, tu­mours and cau­li­flower like growths. The dyes cause in­flam­ma­tion of skin and mus­cle tis­sues. In­ject­ing re­quires rough hand­ing which is highly stress­ful.

com­mon species sub­ject to in­jec­tion and Dip­ping al­bino co­ry­do­ras glass fish, Param­bassis sp. par­rot cich­lids black widow te­tra gi­ant gourami

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