Noticed this tiny speck moving on my sheet and then hop a few times. Dark brown in color. Looked slender and triangle in shape. Could this be a flea larvae or pupae? Or springtail? My dog sleeps in my bed but it wasn’t as big as any flea I’ve ever seen, it was very tiny, like a speck of jumping dirt. I read it can’t be a bed bug because it was hopping around. Image taken from my phone viewing through a magnifying glass.