Ichthyosis is a family of genetic skin disorders characterized by dry, thickened, scaly skin. The more than 20 types of ichthyosis range in severity of symptoms, outward appearance, underlying genetic cause and mode of inheritance (e.g., dominant, recessive, autosomal or X-linked). [Source: Wikipedia ]

Fish skin
Ichthyosiform dermatosis
Ichthyosiform lesion
Thick skin
May Be Caused by
ARC syndrome
Bloom syndrome
Camptodactyly-ichthyosis syndrome
Cardio-facio-cutaneous syndrome
CEDNIK syndrome
CHILD syndrome
CHIME syndrome
Chondrodysplasia punctata Conradi-Hünermann type
Chondrodysplasia punctata rhizomelic type
Chondrodysplasia punctata X-linked dominant type
Chondrodysplasia punctata X-linked recessive type
Clouston syndrome
Congenital cataract - ichthyosis
Dorfman-Chanarin syndrome
Endocrinopathy-ichthyosis syndrome
Epidermal nevus syndrome
Geleophysic dysplasia
Harlequin ichthyosis
Hypomelanosis of Ito
IBIDS syndrome
ICE 1 syndrome
Ichthyosiform erythroderma and retinitis pigmentosa
Ichthyosis - alopecia - eclabion - ectropion - intellectual deficit
Ichthyosis - hepatosplenomegaly - cerebellar degeneration
Ichthyosis - hypotrichosis - sclerosing cholangitis
Ichthyosis - intellectual deficit - dwarfism - renal impairment
Ichthyosis - oral and digital anomalies
Ichthyosis follicularis - alopecia - photophobia
Ischiospinal dysostosis
Jadassohn-Lewandowsky syndrome
KID syndrome
Koller syndrome
Menkes disease
Mesomelic dysplasia
Metachromatic leukodystrophy
Mucolipidosis type 2
Mucopolysaccharidosis type 1-H/S
Multiple sclerosis - ichthyosis - factor VIII deficiency
Multiple sulfatase deficiency
Netherton syndrome
Neu-Laxova syndrome
Osteosclerosis - ichthyosis - premature ovarian failure
PIBIDS syndrome
Poland syndrome
Refsum syndrome
Senter syndrome
Sjögren-Larsson syndrome
Stiff skin syndrome
Stormorken syndrome
Trichorrhexis nodosa syndrome
Vohwinkel syndrome
Werner syndrome
X-linked intellectual deficit - hypogonadism - ichthyosis - obesity - short stature