Taxonomy: Phaeodactylum belongs to the unicellular brown algal class, or the diatoms, classified as: Bacillariophyta (Phylum); Phaeodactylaceae (Family); Phaeodactylum (Genus).

Morphology: Most cells have a fusiform shape and some cells present trigonometrically and ovoid forms. Ranging size from 5 to 12 µm.


  • Ideal for EPA enrichment of live prey (Rotifers and Artemia) molluscs and prawn larvae feeding. It is rich in silicates which plays an important role in the exoskeleton formation.
  • Presents adequate content of vitamins: B12, thiamine and biotin. Essential for a good appetite, normal digestion, growth, fertility and needed for normal function of nervous tissue.
  • Optimal essential amino acids profile in: leucine, lysine, arginine, aspartic acid, glutamic acid and folic acid.
  • Rich in a wide range of pigments: chlorophyll-a, c1,c2, α, β-carotene, fucoxanthin, neofucoxanthin and diadinoxanthin.

Biochemical composition (dw%): Min crude protein = 30; Min crude fat = 5 and Max ash = 22.

Phaeodactylum is available in the following formulations:

PhytoBloom Ice Phaeodactylum

1 Kg

Dry weight: min 23%
Average cell composition:
9,0 x 109 cell/g FW

PhytoBloom Prof Phaeodactylum

1 Kg / 4 Kg

Dry weight: min 95 %
Average cell composition:
2,0 x 1010 cell/g DW