Bueno a ver si me decís que son estos bichos y sin son malos o no, supongo que el caracol no es malo ya que iba por el cristal comiendo algas pero vamos ante la duda lo pregunto, ambas fotos están hechas con objetivo macro para que os hagáis una idea los bichos miden sobre 1mm o asi. Si e caracol es un trochus o algo así tardaría mucho en crecer?
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